Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Massachusetts, USA

Oldest recorded age at locality: 990
Youngest recorded age at locality: 227

mindat Locality ID: 15054
mindat URL: http://www.mindat.org/loc-15054.html

Tectonic Settings:

Total number of sublocalities beneath "Massachusetts, USA": 873
Total number of bottom-level sublocalities: 646

Number of Child Localities: 14
Child Localities:
Barnstable Co.
Berkshire Co.
Bristol Co.
Dukes Co.
Essex Co.
Franklin Co.
Hampden Co.
Hampshire Co.
Middlesex Co.
Nantucket Co.
Norfolk Co.
Plymouth Co.
Suffolk Co.
Worcester Co.

Latitude: 42°11'33"N
Longitude: 71°33'34"W
Decimal Degree (lat, lon): 42.1925,-71.559444444444
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au B Ba Be Bi C Ca Ce Cl Co Cr Cs Cu F Fe H K Li Mg Mn Mo Na Nb Ni O P Pb S Sb Si Sn Te Th Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllaniteAllophaneAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragonite
ArsenopyriteAstrophylliteAutuniteAxiniteBaryteBerylBournoniteBrochantiteBrookiteBrucite
CalciteCaledoniteCancriniteCancrinite-sodaliteChabaziteChalcanthiteChalcopyriteChevkiniteChloriteChloritoid
ClayClinozoisiteCobaltiteColumbiteCopiapiteCopperCoronaditeCorundumCovelliteCristobalite
CubaniteCyanotrichiteDiasporeEpidoteEpsomiteFeldsparFluoriteGadoliniteGarnetGypsum
HalotrichiteHarmotomeHexahydriteHumiteKaoliniteLöllingiteLazuliteLepidocrociteLinariteMagnetoplumbite
MalachiteMarcasiteMelanteriteMeta-autuniteMicaMilleriteMolybdeniteMonaziteNatroliteNickeline
NolaniteNoneNot in a structural groupOlivineParisitePectolitePentlanditePhenakitePolybasitePrehnite
PyritePyrophyllitePyrosmalitePyroxeneQuartzRhabdophaneRhodoniteRockbridgeiteRocksaltRutile
SapphirineScapoliteScheeliteSerpentineSmectite-vermiculiteSodaliteSphaleriteSpinelStarkeyiteStaurolite
StibniteStilbiteStilpnomelaneSulphurTalcTetradymiteTetrahedriteThomsoniteTitaniteTopaz
TourmalineTridymiteVesuvianiteVivianiteWollastoniteWurtziteZirconZirconolite

267 IMA Minerals at location:
Acanthite  (*)Actinolite  (*)Aegirine  (*)Aegirine-augite  (*)Aenigmatite  (*)
Akaganeite  (*)Alabandite  (*)Albite  (*)Allanite-(Ce)  (*)Alleghanyite  (*)
Allophane  (*)Almandine  (*)Alunogen  (*)Amesite  (*)Analcime  (*)
Anatase  (*)Andalusite  (*)Andradite  (*)Anglesite  (*)Anhydrite  (*)
Ankerite  (*)Annite  (*)Anorthite  (*)Anthophyllite  (*)Antigorite  (*)
Aragonite  (*)Arsenopyrite  (*)Astrophyllite  (*)Augite  (*)Aurichalcite  (*)
Autunite  (*)Axinite-(Fe)  (*)Azurite  (*)Babingtonite  (*)Bafertisite  (*)
Baryte  (*)Bassanite  (*)Bementite  (*)Bertrandite  (*)Beryl  (*)
Birnessite  (*)Bornite  (*)Bournonite  (*)Britholite-(Ce)  (*)Brochantite  (*)
Brookite  (*)Brucite  (*)Calcite  (*)Caledonite  (*)Cancrinite  (*)
Carbonatecyanotrichite  (*)Caryopilite  (*)Cassiterite  (*)Cerussite  (*)Chabazite-Ca  (*)
Chabazite-K  (*)Chalcanthite  (*)Chalcocite  (*)Chalcopyrite  (*)Chamosite  (*)
Chevkinite-(Ce)  (*)Chloritoid  (*)Chondrodite  (*)Chromite  (*)Chrysocolla  (*)
Chrysotile  (*)Clinochlore  (*)Clinohumite  (*)Clinozoisite  (*)Cobaltite  (*)
Columbite-(Fe)  (*)Columbite-(Mn)  (*)Copiapite  (*)Copper  (*)Cordierite  (*)
Corundum  (*)Covellite  (*)Cristobalite  (*)Cryptomelane  (*)Cubanite  (*)
Cummingtonite  (*)Cuprite  (*)Danalite  (*)Datolite  (*)Diadochite  (*)
Diaoyudaoite  (*)Diaspore  (*)Dickite  (*)Diopside  (*)Djurleite  (*)
Dolomite  (*)Dravite  (*)Elbaite  (*)Enstatite  (*)Epididymite  (*)
Epidote  (*)Epsomite  (*)Fayalite  (*)Fergusonite-(Y)  (*)Ferrihydrite  (*)
Ferrisicklerite  (*)Ferro-anthophyllite  (*)Ferro-hornblende  (*)Ferrohexahydrite  (*)Fluorapatite  (*)
Fluorite  (*)Forsterite  (*)Gahnite  (*)Galena  (*)Gedrite  (*)
Geikielite  (*)Genthelvite  (*)Gibbsite  (*)Goethite  (*)Gold  (*)
Goslarite  (*)Graphite  (*)Grossular  (*)Grunerite  (*)Gypsum  (*)
Halite  (*)Halotrichite  (*)Harmotome  (*)Hastingsite  (*)Hedenbergite  (*)
Hematite  (*)Hemimorphite  (*)Heterosite  (*)Hexahydrite  (*)Hübnerite  (*)
Hydrobasaluminite  (*)Hydrocerussite  (*)Hydroxylherderite  (*)Hydrozincite  (*)Ilmenite  (*)
Jacobsite  (*)Jarosite  (*)Kaersutite  (*)Kamphaugite-(Y)  (*)Kaolinite  (*)
Kutnohorite  (*)Kyanite  (*)Langite  (*)Laumontite  (*)Lazulite  (*)
Leadhillite  (*)Lechatelierite  (*)Lepidocrocite  (*)Linarite  (*)Litharge  (*)
Lizardite  (*)Löllingite  (*)Maghemite  (*)Magnesio-hornblende  (*)Magnesite  (*)
Magnetite  (*)Malachite  (*)Marcasite  (*)Margarite  (*)Marialite  (*)
Meionite  (*)Melanterite  (*)Mendipite  (*)Meta-autunite  (*)Metatorbernite  (*)
Microcline  (*)Millerite  (*)Mimetite  (*)Minnesotaite  (*)Molybdenite  (*)
Monazite-(Ce)  (*)Montebrasite  (*)Montmorillonite  (*)Muscovite  (*)Natrolite  (*)
Neotocite  (*)Nepheline  (*)Opal  (*)Orthoclase  (*)Ottrélite  (*)
Paragonite  (*)Pargasite  (*)Parisite-(Ce)  (*)Pectolite  (*)Pentlandite  (*)
Petalite  (*)Phenakite  (*)Phlogopite  (*)Pickeringite  (*)Piemontite  (*)
Pigeonite  (*)Plumbogummite  (*)Pollucite  (*)Polybasite  (*)Polydymite  (*)
Prehnite  (*)Pyrargyrite  (*)Pyrite  (*)Pyrolusite  (*)Pyromorphite  (*)
Pyrophanite  (*)Pyrophyllite  (*)Pyrrhotite  (*)Quartz  (*)Ranciéite  (*)
Rhodochrosite  (*)Rhodonite  (*)Riebeckite  (*)Rockbridgeite  (*)Röntgenite-(Ce)  (*)
Rozenite  (*)Rutile  (*)Sanidine  (*)Saponite  (*)Schallerite  (*)
Scheelite  (*)Schorl  (*)Schwertmannite  (*)Scolecite  (*)Siderite  (*)
Siderotil  (*)Sillimanite  (*)Silver  (*)Smithsonite  (*)Sodalite  (*)
Sonolite  (*)Spessartine  (*)Sphalerite  (*)Spinel  (*)Spodumene  (*)
Staurolite  (*)Stellerite  (*)Stephanite  (*)Stibnite  (*)Stilbite-Ca  (*)
Stilpnomelane  (*)Sulphur  (*)Synchysite-(Ce)  (*)Takanelite  (*)Talc  (*)
Tellurobismuthite  (*)Tephroite  (*)Tetradymite  (*)Tetrahedrite-(Zn)  (*)Thomsonite-Ca  (*)
Thorite  (*)Titanite  (*)Topaz  (*)Torbernite  (*)Tremolite  (*)
Triphylite  (*)Troilite  (*)Uraninite  (*)Uranophane-α  (*)Vermiculite  (*)
Vesuvianite  (*)Violarite  (*)Vivianite  (*)Witherite  (*)Wollastonite  (*)
Wroewolfeite  (*)Wulfenite  (*)Wurtzite  (*)Xenotime-(Y)  (*)Zircon  (*)
Zirconolite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S12193622793
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2503.6350.4562219096,219098,219109,219126,219133,219134,219136,219189,219216,219232,219236,219238,219320,219357,219364,219376,219405,219455,219456,219457,219458,219460,219470,219475,219478,219480,219481,219482,219483,219484,219485,219504,219513,219520,219534,219547,219548,219557,219560,219563,219564,219572,219579,219587,219589,219590,219624,219626,219636,219681,219684,219695,219772,219789,219793,219816,219853,219858,219878,219888,219909,2199343419
Aegirine  (*)PyroxeneNaFe3+Si2O6396350.4530219304,219306,219315,219320,219323,219324,219353,219392,219647,219710,219711,219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741,2197511022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O63963881219392286
Aenigmatite  (*)SapphirineNa4[Fe2+10Ti2]O4[Si12O36]396350.33219392,219395,219717133
Akaganeite  (*)Coronadite(Fe3+,Ni2+)8(OH,O)16Cl1.25·nH2O470470121945463
Alabandite  (*)RocksaltMnS1219560312
Albite  (*)FeldsparNa(AlSi3O8)774335.2688219088,219096,219173,219235,219247,219265,219300,219303,219320,219324,219325,219328,219334,219335,219337,219348,219349,219377,219384,219394,219418,219426,219442,219454,219459,219472,219478,219487,219504,219508,219513,219520,219523,219524,219525,219531,219533,219536,219547,219552,219561,219569,219572,219586,219607,219623,219624,219631,219639,219642,219643,219645,219647,219649,219661,219682,219693,219694,219710,219711,219717,219722,219724,219727,219729,219732,219735,219736,219764,219772,219789,219793,219799,219804,219816,219817,219828,219835,219843,219856,219863,219894,219895,219907,219913,219918,219924,2199258803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)5219345,219552,219624,219682,219828706
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)22219527,21956077
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O3219203,219429,219519470
Almandine  (*)GarnetFe2+3Al2(SiO4)3990230.0348219096,219109,219159,219228,219230,219233,219235,219261,219270,219300,219418,219427,219435,219449,219454,219455,219456,219458,219459,219460,219464,219467,219472,219478,219481,219482,219483,219487,219488,219508,219510,219513,219522,219523,219547,219589,219596,219624,219626,219825,219828,219843,219856,219863,219893,219894,219897,2199382353
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O4704701219454272
Amesite  (*)Clay SerpentineMg2Al(AlSiO5)(OH)46219478,219481,219482,219483,219484,21948574
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O3963888219247,219248,219353,219392,219411,219426,219446,2196821627
Anatase  (*)Not in a structural groupTiO214219442,219594,219616,219639,219641,219642,219643,219694,219695,219714,219717,219724,219799,2199102162
Andalusite  (*)AndalusiteAl2SiO5503.6428.2717219308,219340,219345,219357,219476,219541,219653,219656,219815,219825,219837,219847,219848,219849,219850,219907,2199081310
Andradite  (*)GarnetCa3Fe3+2(SiO4)32219364,2196821534
Anglesite  (*)BarytePb(SO4)4704703219454,219531,2198352734
Anhydrite  (*)Not in a structural groupCa(SO4)8219429,219498,219500,219513,219550,219551,219624,2196311588
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2379336.310219362,219416,219418,219455,219459,219460,219516,219756,219806,2199353092
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)2457350.457219324,219335,219336,219384,219392,219547,219693356
Anorthite  (*)FeldsparCa(Al2Si2O8)503.6350.458219320,219357,219392,219499,219557,219563,219586,2196391036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)210219086,219087,219112,219113,219134,219139,219470,219557,219712,219799718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)436924618219109,219126,219127,219128,219207,219210,219350,219363,219364,219457,219458,219461,219513,219557,219646,219759,219816,219903708
Aragonite  (*)AragoniteCa(CO3)13219080,219091,219106,219183,219215,219426,219478,219482,219483,219485,219531,219652,2197563250
Arsenopyrite  (*)ArsenopyriteFeAsS20219298,219299,219362,219364,219390,219531,219560,219616,219682,219816,219828,219856,219858,219860,219884,219907,219912,219926,219933,2199399052
Astrophyllite  (*)AstrophylliteK2NaFe2+7Ti2(Si4O12)2O2(OH)4F457350.34219320,219324,219387,219717161
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O6503.6335.2625219131,219171,219216,219304,219306,219320,219333,219346,219349,219353,219357,219371,219372,219378,219381,219385,219392,219499,219586,219599,219639,219640,219647,219816,2198792060
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)62219531,219572919
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O990230.038219302,219472,219523,219547,219622,219624,219852,2198561272
Axinite-(Fe)  (*)AxiniteCa4Fe2+2Al4[B2Si8O30](OH)21219572260
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)210219317,219362,219439,219440,219531,219537,219682,219695,219789,2199345509
Babingtonite  (*)RhodoniteCa2Fe2+Fe3+Si5O14(OH)23219313,219378,219415,219426,219502,219511,219512,219514,219518,219572,219637,219638,219640,219641,219680,219682,219684,219799,219803,219804,219835,219923,219924161
Bafertisite  (*)NoneBa2Fe2+4Ti2(Si2O7)2O2(OH)2F2121956016
Baryte  (*)BaryteBa(SO4)77447025219096,219362,219426,219430,219437,219438,219439,219440,219446,219448,219454,219500,219531,219536,219540,219542,219552,219560,219607,219631,219651,219695,219712,219789,21979311547
Bassanite  (*)RhabdophaneCa(SO4)·0.5H2O470470121945482
Bementite  (*)ClayMn7Si6O15(OH)81219560173
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)2990230.034219302,219377,219843,219918606
Beryl  (*)BerylBe3Al2Si6O18990230.0340219189,219300,219302,219303,219377,219443,219445,219451,219472,219474,219487,219504,219506,219508,219519,219521,219523,219524,219525,219533,219547,219564,219568,219611,219677,219693,219803,219805,219808,219815,219826,219827,219828,219857,219893,219894,219895,219917,219918,2199354286
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O1219527178
Bornite  (*)NoneCu5FeS413219362,219369,219370,219426,219478,219531,219572,219611,219682,219695,219755,219757,2197935516
Bournonite  (*)BournoniteCuPbSbS312193621089
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)1219724115
Brochantite  (*)BrochantiteCu4(SO4)(OH)612195311633
Brookite  (*)BrookiteTiO28219478,219482,219485,219590,219641,219642,219643,219694700
Brucite  (*)BruciteMg(OH)23692467219109,219126,219127,219350,219364,219513,219589462
Calcite  (*)CalciteCa(CO3)774275150219077,219080,219090,219091,219096,219097,219099,219106,219112,219133,219159,219160,219166,219171,219176,219184,219188,219215,219216,219218,219224,219226,219229,219232,219236,219247,219248,219286,219301,219313,219317,219320,219323,219328,219356,219357,219359,219363,219364,219365,219369,219372,219376,219378,219384,219389,219403,219405,219407,219415,219418,219426,219443,219446,219455,219456,219457,219458,219461,219478,219480,219481,219482,219483,219484,219485,219499,219502,219504,219505,219512,219513,219514,219518,219519,219531,219534,219542,219547,219551,219552,219564,219567,219572,219578,219579,219586,219587,219590,219593,219594,219596,219607,219611,219616,219618,219622,219624,219626,219631,219633,219636,219639,219640,219642,219643,219645,219646,219652,219674,219682,219683,219688,219705,219710,219711,219712,219714,219715,219722,219724,219728,219735,219739,219749,219750,219756,219769,219789,219793,219798,219799,219801,219809,219816,219828,219835,219843,219858,219859,219860,219863,219878,219888,219898,219910,219915,219934,219935,21994027770
Caledonite  (*)CaledoniteCu2Pb5(SO4)3(CO3)(OH)61219531359
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O3963886219304,219353,219354,219392,219395,219397232
Carbonatecyanotrichite  (*)CyanotrichiteCu4Al2(CO3)(OH)12·2H2O3219478,219482,21948388
Caryopilite  (*)Clay SerpentineMn2+3Si2O5(OH)4121956083
Cassiterite  (*)RutileSnO2373336.36219304,219472,219523,219533,219856,2199075171
Cerussite  (*)AragonitePb(CO3)6219362,219437,219446,219531,219542,2197574979
Chabazite-Ca  (*)ChabaziteCa2[Al4Si8O24]·13H2O3219446,219624,219626310
Chabazite-K  (*)Chabazite(K2NaCa0.5)[Al4Si8O24]·11H2O121962430
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O1219531925
Chalcocite  (*)NoneCu2S457.15398.418219520,219531,219588,219682,219695,219699,219750,2197935707
Chalcopyrite  (*)ChalcopyriteCuFeS2503.627584219096,219097,219106,219171,219232,219234,219236,219240,219241,219242,219243,219247,219298,219317,219357,219362,219363,219369,219370,219373,219405,219408,219409,219412,219418,219426,219430,219437,219439,219440,219446,219451,219454,219455,219459,219460,219478,219480,219481,219482,219483,219484,219485,219514,219518,219531,219537,219540,219542,219560,219564,219572,219590,219592,219595,219599,219600,219607,219611,219616,219626,219642,219646,219682,219683,219684,219696,219699,219717,219724,219755,219757,219758,219769,219789,219799,219816,219828,219858,219859,219860,219907,219926,21993427198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)84219478,219572,219799,219828577
Chevkinite-(Ce)  (*)ChevkiniteCe4(Ti,Fe2+,Fe3+)5O8(Si2O7)2364.15350.452219320,21986389
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)2364.15350.4513219075,219088,219233,219235,219320,219418,219478,219480,219481,219482,219483,219484,219485376
Chondrodite  (*)HumiteMg5(SiO4)2F211219096,219098,219131,219133,219159,219172,219216,219232,219548,219589,219816285
Chromite  (*)SpinelFe2+Cr2O411219069,219134,219232,219363,219470,219477,219478,219482,219483,219557,2198793902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O10219426,219514,219520,219531,219572,219587,219611,219616,219697,2197933531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)43962469219109,219350,219360,219363,219364,219392,219557,219599,219695951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)8457.1538830219112,219133,219134,219312,219392,219411,219455,219456,219457,219458,219461,219478,219480,219481,219482,219483,219484,219485,219504,219514,219560,219585,219593,219639,219640,219714,219715,219750,219910,2199341756
Clinohumite  (*)HumiteMg9(SiO4)4F21219816236
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)503.6428.2714219357,219376,219478,219482,219483,219513,219568,219572,219587,219596,219618,219626,219888,2199401025
Cobaltite  (*)CobaltiteCoAsS6412752219560,219567966
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6373336.32219523,219693518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6373336.32219523,219533289
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O4704701219454382
Copper  (*)CopperCu5219296,219468,219588,219624,2196313846
Cordierite  (*)BerylMg2Al4Si5O1811219170,219476,219478,219510,219513,219563,219625,219892,219913,219914,2199271008
Corundum  (*)CorundumAl2O312219073,219296,219469,219478,219480,219481,219482,219483,219484,219485,219557,2197761797
Covellite  (*)CovelliteCuS4704704219362,219454,219531,2197574165
Cristobalite  (*)CristobaliteSiO24704701219454453
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O162219560,219709599
Cubanite  (*)Cubanite WurtziteCuFe2S34704701219454802
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)22219478,219560327
Cuprite  (*)Not in a structural groupCu2O5219426,219531,219631,219682,2197992970
Danalite  (*)Cancrinite-sodalite SodaliteBe3Fe2+4(SiO4)3S431.82350.457219320,219324,219334,219335,219384,219387,21938958
Datolite  (*)GadoliniteCaB(SiO4)(OH)5219411,219426,219512,219514,219518498
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O121930381
Diaoyudaoite  (*)MagnetoplumbiteNaAl11O1712194797
Diaspore  (*)DiasporeAlO(OH)6219478,219481,219482,219483,219484,219485481
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)4364.3350.31219717651
Diopside  (*)PyroxeneCaMgSi2O6774428.2734219096,219133,219170,219189,219209,219216,219218,219232,219304,219357,219363,219364,219370,219376,219499,219513,219515,219519,219547,219568,219587,219590,219592,219596,219617,219618,219626,219647,219816,219858,219859,219860,219888,2199404135
Djurleite  (*)NoneCu31S161219531300
Dolomite  (*)NoneCaMg(CO3)2503.638824219088,219091,219160,219170,219215,219226,219357,219363,219364,219392,219426,219448,219513,219578,219587,219590,219599,219611,219618,219624,219695,219756,219816,2198599895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)5219428,219464,219466,219478,219547648
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)373336.32219523,219533520
Enstatite  (*)PyroxeneMg2Si2O63963885219392,219396,219557,219879,219913944
Epididymite  (*)Not in a structural groupNa2Be2Si6O15·H2O364.3350.3121971770
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)774246116219096,219099,219109,219112,219208,219247,219263,219264,219265,219278,219286,219313,219320,219348,219354,219357,219362,219365,219394,219396,219405,219415,219426,219435,219443,219454,219464,219465,219466,219475,219478,219481,219482,219483,219484,219485,219502,219504,219513,219514,219519,219520,219557,219558,219560,219567,219569,219570,219572,219584,219596,219605,219607,219611,219613,219616,219623,219626,219627,219631,219636,219638,219639,219640,219646,219653,219661,219667,219669,219674,219681,219682,219684,219687,219692,219693,219695,219700,219701,219710,219711,219717,219722,219723,219725,219727,219728,219729,219732,219735,219736,219739,219755,219756,219764,219769,219772,219781,219789,219793,219799,219801,219803,219804,219816,219828,219835,219843,219863,219900,219901,219910,219923,219924,219925,2199348173
Epsomite  (*)EpsomiteMg(SO4)·7H2O4704701219454484
Fayalite  (*)OlivineFe2+2(SiO4)4574185219320,219335,219384,219387,219388371
Fergusonite-(Y)  (*)ScheeliteYNbO44574181219384196
Ferrihydrite  (*)NolaniteFe3+10O14(OH)2470470121945486
Ferrisicklerite  (*)OlivineLi1-x(Fe3+,Mn2+)(PO4)2219303,219377108
Ferro-anthophyllite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)2457350.452219320,2193845
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)2470350.4515219320,219392,219435,219454,219455,219460,219475,219478,219480,219481,219482,219483,219560,219572,219647271
Ferrohexahydrite  (*)HexahydriteFe2+(SO4)·6H2O470470121945421
Fluorapatite  (*)ApatiteCa5(PO4)3F99022727219099,219247,219278,219302,219303,219377,219454,219472,219533,219547,219560,219572,219575,219589,219590,219596,219622,219624,219815,219816,219828,219843,219855,219858,219860,219879,2199182740
Fluorite  (*)FluoriteCaF277424655219099,219247,219278,219304,219320,219323,219324,219335,219337,219348,219352,219357,219362,219384,219387,219389,219405,219411,219423,219426,219446,219448,219531,219540,219542,219552,219560,219590,219596,219607,219646,219682,219683,219710,219711,219717,219722,219724,219725,219727,219728,219729,219732,219735,219739,219745,219799,219804,219828,219835,219843,219863,219918,219925,2199359617
Forsterite  (*)OlivineMg2(SiO4)7219109,219513,219548,219578,219590,219816,2199031188
Gahnite  (*)SpinelZnAl2O44704702219418,219454445
Galena  (*)RocksaltPbS77424677219080,219093,219096,219106,219168,219215,219231,219258,219298,219299,219308,219310,219311,219320,219324,219335,219339,219348,219352,219357,219361,219362,219363,219367,219368,219369,219373,219384,219390,219405,219409,219410,219423,219426,219437,219438,219439,219440,219446,219448,219454,219459,219468,219469,219514,219518,219531,219540,219542,219544,219553,219560,219564,219600,219616,219618,219621,219631,219651,219683,219692,219696,219699,219712,219724,219755,219757,219758,219799,219835,219887,219907,219912,219923,219926,219933,21993924243
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)2364.15350.453219320,219464,219563178
Geikielite  (*)CorundumMgTiO3121959070
Genthelvite  (*)Cancrinite-sodalite SodaliteBe3Zn4(SiO4)3S457418121938460
Gibbsite  (*)NoneAl(OH)34219163,219203,219215,219220504
Goethite  (*)DiasporeFeO(OH)470350.331219069,219107,219137,219146,219182,219185,219203,219214,219215,219219,219220,219223,219286,219320,219335,219418,219426,219440,219446,219454,219531,219572,219624,219626,219717,219756,219757,219799,219806,219835,2199327437
Gold  (*)CopperAu47024621219081,219171,219206,219208,219228,219230,219234,219239,219244,219296,219308,219348,219362,219407,219454,219459,219560,219699,219712,219758,21976130554
Goslarite  (*)EpsomiteZn(SO4)·7H2O4704701219454188
Graphite  (*)NoneC77424646219086,219087,219096,219101,219109,219133,219159,219171,219189,219209,219216,219218,219274,219275,219276,219313,219348,219356,219378,219407,219417,219427,219428,219433,219440,219442,219447,219449,219464,219497,219500,219618,219639,219650,219714,219715,219755,219809,219812,219816,219874,219888,219913,219915,219919,2199382812
Grossular  (*)GarnetCa3Al2(SiO4)3503.6342.1414219357,219364,219376,219418,219579,219587,219589,219596,219613,219626,219681,219888,219935,2199401544
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)2457350.457219320,219324,219384,219387,219527,219528,219560223
Gypsum  (*)GypsumCa(SO4)·2H2O47047013219203,219280,219294,219412,219426,219454,219551,219560,219624,219708,219715,219789,2198356890
Halite  (*)RocksaltNaCl2219287,2193221398
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O364.3350.32219692,219717409
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O1219446290
Hastingsite  (*)AmphiboleNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2457350.453219304,219320,219384209
Hedenbergite  (*)PyroxeneCaFe2+Si2O6774350.455219096,219320,219384,219388,219475741
Hematite  (*)CorundumFe2O347024673219082,219091,219106,219107,219109,219118,219140,219141,219146,219147,219148,219149,219185,219215,219220,219223,219247,219304,219313,219320,219324,219335,219352,219378,219384,219386,219388,219392,219405,219412,219426,219432,219435,219443,219454,219464,219478,219498,219500,219502,219514,219518,219531,219560,219567,219572,219607,219621,219624,219631,219633,219674,219682,219688,219694,219705,219717,219724,219728,219729,219735,219739,219755,219756,219789,219793,219799,219861,219862,219863,219900,219901,21991814640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O2219531,2195421689
Heterosite  (*)OlivineFe3+(PO4)3219303,219377,219547204
Hexahydrite  (*)HexahydriteMg(SO4)·6H2O4704701219454251
Hübnerite  (*)ColumbiteMn2+(WO4)1219560469
Hydrobasaluminite  (*)NoneAl4(SO4)(OH)10·15H2O470470121945412
Hydrocerussite  (*)NonePb3(CO3)2(OH)21219531201
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)1219377119
Hydrozincite  (*)NoneZn5(CO3)2(OH)62219362,2195311066
Ilmenite  (*)CorundumFe2+Ti4+O377422752219099,219112,219208,219216,219247,219282,219286,219296,219300,219303,219320,219388,219435,219442,219454,219459,219478,219482,219483,219488,219489,219547,219560,219572,219595,219607,219611,219624,219631,219639,219674,219682,219693,219704,219724,219725,219726,219728,219729,219736,219805,219809,219811,219828,219832,219835,219843,219853,219855,219863,219900,2199095433
Jacobsite  (*)SpinelMn2+Fe3+2O41219560172
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)647047012194542228
Kaersutite  (*)AmphiboleNaCa2(Mg3AlTi4+)(Si6Al2)O22O21219586179
Kamphaugite-(Y)  (*)NoneCaY(CO3)2(OH)·H2O121957228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4470350.4525219068,219170,219216,219278,219312,219320,219360,219369,219412,219426,219454,219558,219569,219688,219710,219711,219722,219725,219727,219728,219729,219732,219735,219739,2198635591
Kutnohorite  (*)NoneCaMn2+(CO3)21219560234
Kyanite  (*)Not in a structural groupAl2OSiO477436919219096,219216,219232,219470,219473,219478,219482,219483,219513,219521,219522,219547,219565,219566,219648,219847,219852,219853,2198591507
Langite  (*)NoneCu4(SO4)(OH)6·2H2O1219531593
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O10219216,219356,219405,219504,219552,219572,219639,219640,219682,2198351271
Lazulite  (*)LazuliteMgAl2(PO4)2(OH)21219431232
Leadhillite  (*)NonePb4(SO4)(CO3)2(OH)21219531265
Lechatelierite  (*)AmorphousSiO22219443,21988662
Lepidocrocite  (*)LepidocrociteFe3+O(OH)4704701219454581
Linarite  (*)LinariteCuPb(SO4)(OH)21219531987
Litharge  (*)NonePbO1219531139
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)4503.6428.271219357359
Löllingite  (*)LöllingiteFeAs22219377,219560762
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O44704702219296,219454229
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)22219816,219881238
Magnesite  (*)CalciteMg(CO3)3692469219232,219308,219348,219350,219360,219478,219589,219590,2198161487
Magnetite  (*)SpinelFe2+Fe3+2O4774246109219081,219096,219109,219124,219126,219127,219131,219133,219134,219136,219159,219172,219206,219208,219216,219236,219239,219242,219244,219261,219264,219278,219296,219301,219304,219306,219320,219323,219324,219325,219328,219330,219346,219348,219349,219350,219353,219354,219357,219372,219381,219384,219385,219387,219388,219389,219392,219395,219405,219408,219412,219431,219432,219435,219454,219455,219459,219460,219464,219475,219478,219480,219481,219482,219483,219484,219485,219499,219504,219513,219548,219557,219558,219560,219569,219570,219572,219586,219595,219607,219611,219624,219631,219639,219640,219647,219648,219649,219669,219682,219717,219722,219724,219729,219739,219745,219764,219816,219835,219843,219863,219879,219894,219895,219910,219913,219915,219918,21992514899
Malachite  (*)MalachiteCu2(CO3)(OH)2457.15398.4140219222,219247,219317,219362,219408,219411,219426,219430,219439,219440,219478,219482,219483,219485,219514,219520,219531,219537,219542,219564,219569,219572,219611,219616,219626,219631,219639,219682,219684,219695,219697,219699,219749,219750,219757,219789,219793,219799,219859,21993412537
Marcasite  (*)MarcasiteFeS24704709219294,219370,219454,219560,219595,219618,219624,219828,2199225674
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)210219235,219478,219480,219481,219482,219483,219484,219485,219557,219847168
Marialite  (*)ScapoliteNa4Al3Si9O24Cl1219881139
Meionite  (*)ScapoliteCa4Al6Si6O24(CO3)2219624,219816176
Melanterite  (*)MelanteriteFe(SO4)·7H2O470350.37219418,219454,219591,219692,219717,219846,219922915
Mendipite  (*)NonePb3O2Cl2121953117
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O2532272219472,219852388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O1219472443
Microcline  (*)FeldsparK(AlSi3O8)457336.372219216,219261,219278,219302,219304,219305,219306,219320,219323,219324,219325,219328,219330,219334,219335,219337,219353,219384,219388,219392,219394,219405,219437,219451,219452,219472,219475,219487,219508,219523,219533,219536,219545,219547,219557,219569,219572,219596,219607,219611,219616,219623,219639,219648,219649,219682,219693,219724,219745,219756,219764,219799,219803,219809,219816,219817,219827,219828,219835,219843,219856,219863,219867,219879,219893,219895,219901,219907,219913,219918,219923,2199244924
Millerite  (*)MilleriteNiS12196161066
Mimetite  (*)ApatitePb5(AsO4)3Cl12194461107
Minnesotaite  (*)Clay TalcFe2+3Si4O10(OH)2457418121938461
Molybdenite  (*)MolybdeniteMoS2470342.1426219086,219131,219306,219320,219324,219334,219354,219384,219389,219392,219405,219454,219462,219463,219476,219478,219560,219607,219624,219682,219724,219769,219816,219826,219828,2199355800
Monazite-(Ce)  (*)MonaziteCe(PO4)427.32285.324219573,219590,219624,219653945
Montebrasite  (*)NoneLiAl(PO4)(OH)1219856200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O4219531,219533,219572,2198011508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2774227118219068,219077,219088,219091,219099,219100,219109,219112,219159,219160,219175,219176,219181,219182,219184,219185,219215,219216,219220,219223,219224,219228,219229,219230,219232,219233,219235,219247,219253,219254,219263,219265,219270,219278,219300,219302,219320,219324,219344,219362,219375,219384,219390,219418,219431,219435,219442,219443,219446,219451,219452,219454,219459,219460,219472,219475,219487,219504,219513,219523,219524,219525,219531,219533,219536,219547,219558,219560,219563,219569,219570,219572,219575,219596,219605,219607,219611,219616,219618,219623,219625,219643,219648,219661,219667,219682,219688,219693,219725,219757,219772,219803,219816,219817,219821,219827,219828,219830,219837,219843,219847,219848,219850,219853,219855,219856,219858,219859,219860,219863,219867,219888,219894,219895,219909,219911,219918,21992517380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O3963888219216,219390,219392,219415,219426,219562,219572,2196241236
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)1219560186
Nepheline  (*)TridymiteNa3K(Al4Si4O16)396350.458219304,219306,219320,219353,219354,219392,219396,219647884
Opal  (*)AmorphousSiO2·nH2O396350.4535219124,219308,219313,219320,219324,219335,219337,219363,219376,219392,219426,219437,219438,219504,219531,219537,219567,219572,219596,219607,219611,219621,219626,219651,219674,219682,219756,219799,219816,219828,219830,219835,219853,219858,2198602994
Orthoclase  (*)FeldsparK(AlSi3O8)774350.4532219096,219112,219170,219216,219247,219304,219320,219354,219384,219392,219394,219572,219682,219688,219695,219711,219717,219722,219724,219727,219728,219729,219732,219735,219736,219739,219789,219832,219835,219863,219892,2199142349
Ottrélite  (*)ChloritoidMn2+Al2O(SiO4)(OH)2121990959
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)24219075,219233,219235,219484247
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)23219578,219590,219816313
Parisite-(Ce)  (*)ParisiteCaCe2(CO3)3F22219717,219724112
Pectolite  (*)PectoliteNaCa2Si3O8(OH)2219495,219518363
Pentlandite  (*)Pentlandite(Ni,Fe)9S82219171,2195951512
Petalite  (*)Not in a structural groupLiAlSi4O101219816124
Phenakite  (*)PhenakiteBe2(SiO4)364.15350.451219320326
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)215219096,219098,219131,219133,219159,219172,219188,219216,219218,219226,219364,219472,219578,219590,2198162273
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O364.3350.34219418,219572,219717,219843265
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)2219631,219694260
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O6503.6350.453219320,219357,219514303
Plumbogummite  (*)AlunitePbAl3(PO4)(PO3OH)(OH)61219531170
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O2219533,219856140
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]1219531716
Polydymite  (*)SpinelNi2+Ni3+2S41219595131
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)2503.6428.2740219247,219356,219357,219359,219378,219405,219412,219426,219446,219502,219504,219505,219511,219512,219514,219518,219519,219552,219558,219572,219576,219584,219593,219594,219596,219624,219631,219637,219639,219640,219642,219651,219674,219682,219793,219803,219804,219835,219924,2199341898
Pyrargyrite  (*)NoneAg3SbS312193621425
Pyrite  (*)PyriteFeS2990227166219079,219080,219090,219091,219093,219096,219097,219098,219099,219106,219124,219126,219127,219133,219134,219136,219159,219160,219173,219176,219184,219188,219189,219208,219215,219220,219224,219226,219229,219232,219234,219236,219238,219240,219241,219242,219243,219247,219286,219294,219298,219300,219308,219311,219313,219320,219324,219337,219339,219348,219349,219352,219357,219362,219363,219364,219372,219373,219384,219386,219392,219403,219405,219407,219408,219409,219410,219412,219418,219426,219432,219435,219436,219446,219448,219451,219454,219455,219458,219459,219460,219478,219480,219481,219482,219483,219484,219485,219498,219500,219518,219531,219536,219540,219542,219551,219558,219560,219564,219572,219590,219596,219599,219607,219616,219618,219622,219624,219626,219631,219639,219643,219645,219647,219649,219674,219682,219683,219684,219692,219702,219713,219714,219715,219717,219732,219736,219755,219756,219757,219758,219769,219789,219798,219799,219803,219804,219806,219811,219816,219828,219835,219843,219846,219855,219856,219858,219859,219860,219863,219887,219888,219902,219907,219909,219910,219912,219913,219915,219922,219923,219924,219934,219935,219937,21993939462
Pyrolusite  (*)RutileMnO24704705219411,219531,219560,219600,2196073106
Pyromorphite  (*)ApatitePb5(PO4)3Cl3219531,219540,2195421725
Pyrophanite  (*)CorundumMn2+TiO31219560244
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21219439771
Pyrrhotite  (*)NickelineFe7S8470350.4530219096,219097,219112,219171,219209,219303,219306,219320,219362,219370,219384,219442,219454,219469,219560,219563,219572,219590,219595,219755,219758,219816,219828,219859,219860,219879,219888,219922,219932,2199349056
Quartz  (*)QuartzSiO2990227313219077,219082,219088,219096,219106,219109,219111,219112,219124,219131,219132,219133,219134,219140,219141,219143,219169,219170,219175,219176,219177,219178,219181,219182,219183,219184,219185,219188,219189,219208,219215,219216,219218,219220,219223,219224,219226,219227,219229,219232,219233,219237,219247,219253,219254,219261,219263,219264,219265,219269,219270,219278,219282,219283,219286,219296,219300,219302,219303,219304,219306,219307,219308,219311,219313,219320,219323,219324,219325,219328,219330,219334,219335,219337,219346,219348,219349,219356,219357,219362,219363,219364,219365,219369,219371,219372,219375,219376,219378,219381,219384,219386,219387,219388,219389,219390,219400,219403,219405,219409,219412,219415,219418,219425,219426,219427,219431,219435,219437,219439,219440,219442,219446,219451,219452,219454,219455,219459,219460,219464,219465,219466,219468,219469,219470,219472,219474,219475,219477,219478,219480,219481,219482,219483,219484,219485,219487,219489,219493,219501,219502,219504,219508,219513,219514,219517,219518,219519,219522,219523,219524,219525,219531,219533,219536,219537,219542,219544,219546,219547,219548,219552,219553,219555,219556,219557,219558,219560,219564,219567,219568,219569,219570,219572,219575,219589,219590,219593,219594,219596,219599,219605,219607,219611,219612,219616,219617,219618,219623,219624,219626,219631,219633,219636,219639,219640,219641,219642,219643,219649,219652,219660,219661,219669,219674,219682,219683,219684,219687,219688,219691,219693,219694,219695,219699,219703,219704,219705,219709,219710,219711,219712,219714,219715,219716,219717,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219734,219735,219736,219739,219740,219745,219749,219755,219756,219757,219758,219761,219762,219764,219769,219772,219773,219774,219776,219780,219781,219783,219789,219793,219797,219798,219799,219801,219806,219816,219817,219827,219828,219830,219832,219835,219843,219847,219848,219850,219853,219855,219856,219857,219858,219859,219860,219861,219862,219863,219867,219880,219881,219887,219888,219894,219895,219897,219898,219905,219906,219907,219909,219910,219911,219912,219913,219915,219917,219918,219923,219924,219925,219926,219932,219934,21993561156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O1219560177
Rhodochrosite  (*)CalciteMn(CO3)3219337,219527,2195601711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)4219435,219464,219527,219560969
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2396350.4530219320,219323,219324,219335,219346,219392,219710,219711,219717,219721,219722,219723,219724,219725,219726,219727,219728,219729,219731,219732,219733,219734,219735,219736,219737,219738,219741,219745,219746,219751375
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)52532271219852206
Röntgenite-(Ce)  (*)NoneCa2Ce3(CO3)5F3364.3350.3121971715
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O4704701219454293
Rutile  (*)RutileTiO2470285.3242219232,219237,219247,219270,219324,219337,219372,219404,219423,219441,219454,219468,219478,219483,219485,219547,219557,219560,219563,219564,219565,219569,219573,219590,219607,219611,219616,219623,219624,219631,219641,219642,219661,219667,219682,219772,219807,219816,219828,219835,219910,2199185614
Sanidine  (*)FeldsparK(AlSi3O8)3963882219392,219394598
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O3219411,219426,219586301
Schallerite  (*)Pyrosmalite ClayMn2+16As3+3Si12O36(OH)1712195608
Scheelite  (*)ScheeliteCa(WO4)5219560,219590,219596,219611,2198814894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)99022731219106,219112,219131,219204,219208,219215,219300,219302,219451,219472,219475,219487,219523,219533,219536,219547,219564,219596,219624,219660,219661,219815,219827,219828,219855,219856,219879,219888,219894,219897,2199372705
Schwertmannite  (*)CoronaditeFe3+16O16(OH)9.6(SO4)3.2·10H2O470470121945437
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O3219216,219519,219558390
Siderite  (*)CalciteFe(CO3)383.2624633219215,219220,219291,219294,219320,219324,219334,219335,219337,219348,219362,219363,219364,219369,219405,219531,219547,219567,219622,219631,219652,219674,219715,219717,219724,219755,219758,219843,219897,219898,219912,219933,2199396417
Siderotil  (*)ChalcanthiteFe(SO4)·5H2O470470121945484
Sillimanite  (*)Not in a structural groupAl2SiO5379342.1419219232,219375,219431,219442,219510,219513,219563,219618,219680,219803,219816,219825,219879,219888,219892,219913,219915,219919,2199331516
Silver  (*)CopperAg4704704219362,219454,219531,2195605186
Smithsonite  (*)CalciteZn(CO3)12195312473
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl3963886219304,219353,219354,219392,219395,219396444
Sonolite  (*)HumiteMn2+9(SiO4)4(OH)2121956050
Spessartine  (*)GarnetMn2+3Al2(SiO4)33733696219435,219524,219525,219527,219560,2196241214
Sphalerite  (*)SphaleriteZnS470342.1444219215,219220,219298,219299,219300,219303,219320,219324,219362,219390,219405,219418,219426,219437,219438,219439,219440,219446,219454,219459,219514,219518,219531,219540,219542,219544,219553,219560,219572,219616,219642,219682,219683,219724,219755,219757,219758,219835,219859,219887,219907,219912,219926,21993521482
Spinel  (*)SpinelMgAl2O4503.6428.2710219357,219479,219513,219568,219578,219589,219590,219617,219618,2198161934
Spodumene  (*)PyroxeneLiAlSi2O6373336.311219523,219524,219525,219533,219546,219547,219827,219841,219856,219907,219911688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)379336.318219233,219296,219427,219437,219442,219449,219471,219472,219513,219521,219547,219819,219825,219826,219847,219856,219907,219933978
Stellerite  (*)StilbiteCa4(Si28Al8)O72·28H2O2219572,219809189
Stephanite  (*)NoneAg5SbS41219362586
Stibnite  (*)StibniteSb2S312193623418
Stilbite-Ca  (*)StilbiteNaCa4(Si27Al9)O72·28H2O1219684268
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O4219518,219639,219640,219682456
Sulphur  (*)SulphurS470350.454219324,219437,219454,2195192045
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F364.3350.31219717232
Takanelite  (*)None(Mn2+,Ca)2x(Mn4+)1-xO2·0.7H2O121956018
Talc  (*)Clay TalcMg3Si4O10(OH)277424654219080,219091,219096,219109,219112,219124,219126,219127,219128,219133,219134,219136,219160,219207,219210,219215,219232,219236,219238,219301,219350,219371,219455,219456,219457,219458,219460,219461,219475,219478,219480,219481,219482,219483,219484,219485,219499,219507,219513,219515,219548,219549,219557,219593,219603,219631,219694,219803,219816,219829,219876,219877,219890,2199033337
Tellurobismuthite  (*)TetradymiteBi2Te34704701219454276
Tephroite  (*)OlivineMn2+2(SiO4)2219527,219560240
Tetradymite  (*)TetradymiteBi2Te2S4704701219454510
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S134219317,219362,219755,2197585317
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O3219411,219425,219835452
Thorite  (*)ZirconTh(SiO4)431.82350.455219320,219324,219384,219389,2196821006
Titanite  (*)TitaniteCaTi(SiO4)O77422766219096,219098,219099,219131,219159,219189,219216,219218,219247,219261,219263,219304,219320,219333,219364,219392,219411,219426,219442,219464,219465,219475,219478,219482,219483,219485,219513,219519,219558,219572,219578,219587,219590,219596,219607,219611,219616,219617,219618,219623,219624,219626,219636,219642,219682,219684,219694,219724,219764,219772,219789,219799,219816,219828,219830,219835,219853,219855,219858,219859,219860,219863,219881,219888,219910,2199354899
Topaz  (*)TopazAl2SiO4F22219856,2199071476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O12194721059
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2774398.4127219091,219096,219112,219114,219126,219131,219133,219159,219160,219167,219172,219215,219216,219232,219407,219412,219418,219572,219584,219590,219624,219682,219715,219749,219750,219816,2199032562
Triphylite  (*)OlivineLiFe2+(PO4)2532274219303,219472,219547,219852313
Troilite  (*)NoneFeS12190691044
Uraninite  (*)FluoriteUO23219472,219611,2198282718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O990230.031219302890
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O4704706219216,219454,219557,219816,219874,219934652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)106219109,219363,219364,219412,219626,2199401395
Violarite  (*)SpinelFeNi2S41219595380
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O3219519,219539,219788636
Witherite  (*)AragoniteBa(CO3)1219531251
Wollastonite  (*)WollastoniteCaSiO37742754219096,219363,219364,2196461247
Wroewolfeite  (*)NoneCu4(SO4)(OH)6·2H2O121953195
Wulfenite  (*)ScheelitePbMoO43219531,219553,2197241655
Wurtzite  (*)WurtziteZnS1219446372
Xenotime-(Y)  (*)ZirconY(PO4)427.32285.323219270,219624,219653939
Zircon  (*)ZirconZr(SiO4)77422761219099,219109,219270,219278,219304,219320,219323,219324,219325,219328,219330,219335,219346,219349,219353,219357,219372,219381,219384,219387,219388,219389,219392,219394,219395,219405,219472,219487,219504,219513,219523,219524,219525,219533,219547,219558,219569,219570,219573,219590,219643,219649,219682,219722,219724,219728,219729,219732,219735,219736,219739,219745,219772,219799,219816,219828,219835,219855,219863,219913,2199345251
Zirconolite  (*)Zirconolite(Ca,Y)Zr(Ti,Mg,Al)2O74574182219304,219384140
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)990230.0317219133,219247,219300,219316,219360,219421,219422,219423,219432,219436,219441,219443,219454,219547,219548,219557,2198631025


67 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
USGS-U-Th-Pb-02411_206_238597597597206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02411_207_206774774774207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02411_207_235635635635207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_206_238582582582206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_207_206757757757207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02412_207_235619619619207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_206_238534534534206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_207_206705705705207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02413_207_235568568568207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_206_238522522522206_238material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_207_206683683683207_206material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02414_207_235553553553207_235material inherited from source rock, maximum age for unit; age of intrusionzircon   Zircon  52181Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-Rb-Sr-06237990918954±36Rb-Sr plagioclase     33585I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06238398382390±8Rb-Sr microcline   Microcline  33585I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06239242.03230.03236.03±6Rb-Sr muscovite   Muscovite  33585I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06241242.03230.03236.03±6Rb-Sr muscovite   Muscovite  33585I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-01308350.45350.45350.45Rb-Srinitial age disturbed by weatheringwhole rock     206529Blackburn Circle Locality, Gloucester, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-01309364.15364.15364.15Rb-Srinitial age disturbed by weatheringwhole rock     206529Blackburn Circle Locality, Gloucester, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
Alexandra-0417262246254 ± 8K-ArAge of basaltwhole rock     22345Lynnfield, Essex Co., Massachusetts, USALynnfkldZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
Alexandra-0418268252260 ± 8K-ArAge of granitebiotite     22345Lynnfield, Essex Co., Massachusetts, USALynnfkldZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
Alexandra-0419369349359 ± 10K-ArAge of granitehornblende     22345Lynnfield, Essex Co., Massachusetts, USALynnfkldZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
USGS-Rb-Sr-00947383.26335.26359.26±24Rb-Srage of intrusionwhole rock     33588Kallenberg Quarry (Robin Rock Quarry), Lynnfield, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00950474.27428.27451.27±23Rb-Srminimum age of intrusionbiotite     22346Nahant, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00951503.6461.6482.6±21Rb-Srage of intrusionbiotite     22346Nahant, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00934431.82419.82425.82±6Rb-Srage of intrusionwhole rock     47041Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00935431.82419.82425.82±6Rb-Srage of intrusionwhole rock     47041Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-00150_206_238426418422±4206_238 zircon   Zircon  47041Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00150_207_206457445451±6207_206 zircon   Zircon  47041Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00150_207_235431423427±4207_235 zircon   Zircon  47041Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-Rb-Sr-00936431.82419.82425.82±6Rb-Srage of intrusionwhole rock     209564Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00937431.82419.82425.82±6Rb-Srage of intrusionwhole rock     209564Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00938431.82419.82425.82±6Rb-Srage meaning uncertain (geologic factors)whole rock     209564Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
Bradley_2012_072396388392±4U/Pb zircon   Zircon  15757Salem, Essex Co., Massachusetts, USASalem gabbro dioriteMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 
vms-01064470470Ordovician       S5972Davis Pyrite Mine (Davis Mine; Davis Sulfur Ore Mine), Rowe, Franklin Co., Massachusetts, USADavisMoiser et al. (2009) USGSOFR2009_1034 
Alexandra-0183370.89370.59370.74 ± 0.15U-PbAge of pegmatitezircon11DW300a  Zircon  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeBradley et al. (2016)10.3749/canmin.1600035CM54_945 
Alexandra-0184341.9336.3339.1 ± 2.8Ar-ArAge of pegmatitemuscovite11Dw300  Muscovite  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeBradley et al. (2016)10.3749/canmin.1600035CM54_945 
Bradley_2012_067373369371±2U/Pb zircon   Zircon  5971Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USAClark LedgeMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 
USGS-Rb-Sr-0113746046046Rb-Srage of intrusionwhole rock     195966Burlington, Middlesex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06235641541591±50Rb-Sr whole rock     212086Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-01334_206_238531521526±5206_238 zircon   Zircon  212086Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01334_207_206624614619±5207_206 zircon   Zircon  212086Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01334_207_235550538544±6207_235 zircon   Zircon  212086Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
Alexandra-0416305275290 ± 15K-ArAge of basaltwhole rock     22413Stoneham, Middlesex Co., Massachusetts, USAStonehamZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
USGS-Rb-Sr-03298427.32285.32356.32±71Rb-Srage of intrusionwhole rock     220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-03299427.32285.32356.32±71Rb-Srage of intrusionwhole rock     220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-01362_206_238360352356±4206_238 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01362_207_206391385388±3207_206 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01362_207_235364356360±4207_235 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01363_206_238368360364±4206_238 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01363_207_206391385388±3207_206 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01363_207_235371363367±4207_235 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01364_206_238361353357±4206_238 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01364_207_206395387391±4207_206 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01364_207_235366358362±4207_235 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01365_206_238354346350±4206_238 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01365_207_206394386390±4207_206 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01365_207_235360352356±4207_235 zircon   Zircon  220591Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-Rb-Sr-01068361.21361.21361.21Rb-Srminimum age of intrusionwhole rock     196053Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-01069364.3350.3357.3±7Rb-Srminimum age of intrusionwhole rock     196053Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-01740398.41398.41398.41Rb-Srinitial age disturbed by later metamorphismwhole rock     17267Wellesley, Norfolk Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-01741457.15457.15457.15Rb-Srinitial age disturbed by later metamorphismwhole rock     17267Wellesley, Norfolk Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
Alexandra-0415253227241 ± 13K-ArAge of dioritebiotite     60895Leavitt Quarry, Leominster, Worcester Co., Massachusetts, USALeavitt quarryZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
USGS-Rb-Sr-00877372.14342.14357.14±15Rb-Srage of intrusionwhole rock     15191Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06279379365372±7Rb-Srage of intrusionwhole rock     15191Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06280379365372±7Rb-Srage of intrusionwhole rock     15191Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06281379365372±7Rb-Srage of intrusionwhole rock     15191Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-06282379365372±7Rb-Srage of intrusionwhole rock     15191Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL
R040092Nahant, Essex Co., Massachusetts, USAhttps://rruff.info/R040092
R080134Rockport, Essex Co., Massachusetts, USAhttps://rruff.info/R080134
FKM-245Salem, Essex Co., Massachusetts, USAhttps://www.rockptx.com/fkm-226-to-fkm-250/#FKM-245
R050041Franklin Co., Massachusetts, USAhttps://rruff.info/R050041
R040027Rowe, Franklin Co., Massachusetts, USAhttps://rruff.info/R040027
R060083Hampden Quarry, West Springfield, Hampden Co., Massachusetts, USAhttps://rruff.info/R060083
R050033Westfield, Hampden Co., Massachusetts, USAhttps://rruff.info/R050033
X050051Westfield, Hampden Co., Massachusetts, USAhttps://rruff.info/X050051
R080085Ashland, Middlesex Co., Massachusetts, USAhttps://rruff.info/R080085

All locality data graciously provided by mindat.org

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