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:
Grafton Co., New Hampshire, USA

Oldest recorded age at locality: 470
Youngest recorded age at locality: 0

mindat Locality ID: 14501
mindat URL: http://www.mindat.org/loc-14501.html

Tectonic Settings:

Total number of sublocalities beneath "Grafton Co., New Hampshire, USA": 362
Total number of bottom-level sublocalities: 312

Number of Child Localities: 39
Child Localities:
Alexandria
Ammonoosuc District
Bath
Benton
Bethlehem
Bridgewater
Bristol
Campton
Canaan
Dorchester
Easton
Ellsworth
Enfield
Franconia
Grafton
Groton
Hanover
Haverhill
Hebron
Landaff
Lebanon
Lincoln
Lisbon
Littleton
Lyman
Lyme
Monroe
Orange
Orford
Piermont
Plymouth
Rumney
Sugar Hill
Summit Mine
Thornton
Warren
Waterville Valley
Wentworth
Woodstock

Latitude: 44°0'22"N
Longitude: 71°51'30"W
Decimal Degree (lat, lon): 44.006111111111,-71.858333333333
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 Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Sc Si Sn Sr Ta Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllaniteAlluauditeAluniteAmorphousAmphiboleAnalcimeAndalusiteApatiteAragoniteArrojadite
ArsenicArseniosideriteArsenopyriteArthuriteAutuniteBaryteBastnäsiteBerauniteBerylBeryllonite
BjarebyiteBrackebuschiteCalcioferriteCalciteCancrinite-sodaliteCarminiteCeriteChalcopyriteChildreniteChlorite
ChloritoidClayClinozoisiteColumbiteCompreignaciteCopperCoronaditeCorundumCovelliteDiaspore
DufréniteEpidoteFairfielditeFeldsparFluoceriteFluoriteGadoliniteGarnetGraftoniteGypsum
HalotrichiteHopeiteHureauliteJahnsiteKaoliniteLöllingiteLaueiteLazuliteLeucophosphiteMalachite
MarcasiteMelanteriteMeta-autuniteMicaMolybdeniteNickelineNoneNot in a structural groupOlivinePhenakite
PhosphophyllitePhosphosideritePhosphuranylitePrehnitePseudobrookitePyritePyroxeneQuartzReddingiteRhodonite
RockbridgeiteRocksaltRoscheriteRutileScheeliteSchoepiteSmectite-vermiculiteSodaliteSouzaliteSphalerite
SpinelStauroliteStewartiteStibniteStrunziteSymplesiteTalcTapioliteTitaniteTopaz
TourmalineTridymiteVesuvianiteVivianiteWagneriteWarditeZircon

237 IMA Minerals at location:
Actinolite  (*)Aegirine-augite  (*)Albite  (*)Allanite-(Ce)  (*)Almandine  (*)
Analcime  (*)Anapaite  (*)Anatase  (*)Andalusite  (*)Andradite  (*)
Anglesite  (*)Ankerite  (*)Annite  (*)Anorthite  (*)Anthophyllite  (*)
Arrojadite-(KFe)  (*)Arsenic  (*)Arsenopyrite  (*)Augelite  (*)Augite  (*)
Autunite  (*)Azurite  (*)Barbosalite  (*)Baryte  (*)Bastnäsite-(Ce)  (*)
Bazzite  (*)Beraunite  (*)Bermanite  (*)Bertrandite  (*)Beryl  (*)
Beryllonite  (*)Birnessite  (*)Bismuth  (*)Bismuthinite  (*)Bjarebyite  (*)
Bornite  (*)Brazilianite  (*)Brushite  (*)Cacoxenite  (*)Calcite  (*)
Cassiterite  (*)Cerianite-(Ce)  (*)Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)
Chamosite  (*)Childrenite  (*)Chlorapatite  (*)Chloritoid  (*)Chrysoberyl  (*)
Clinochlore  (*)Clinozoisite  (*)Collinsite  (*)Columbite-(Fe)  (*)Compreignacite  (*)
Copper  (*)Cordierite  (*)Covellite  (*)Crandallite  (*)Cuprite  (*)
Danalite  (*)Diadochite  (*)Dickinsonite-(KMnNa)  (*)Diopside  (*)Djurleite  (*)
Dolomite  (*)Dravite  (*)Dufrénite  (*)Eleonorite  (*)Eosphorite  (*)
Epidote  (*)Fairfieldite  (*)Falsterite  (*)Fayalite  (*)Ferrimolybdite  (*)
Ferrirockbridgeite  (*)Ferrisicklerite  (*)Ferro-hornblende  (*)Ferrostrunzite  (*)Florencite-(Ce)  (*)
Fluocerite-(Ce)  (*)Fluorapatite  (*)Fluorite  (*)Foggite  (*)Frondelite  (*)
Gadolinite-(Ce)  (*)Gadolinite-(Y)  (*)Galena  (*)Gedrite  (*)Genthelvite  (*)
Goedkenite  (*)Goethite  (*)Gold  (*)Gordonite  (*)Gormanite  (*)
Goyazite  (*)Graftonite  (*)Graphite  (*)Greifensteinite  (*)Grossular  (*)
Gypsum  (*)Hagendorfite  (*)Halotrichite  (*)Hedenbergite  (*)Helvine  (*)
Hematite  (*)Heterosite  (*)Hingganite-(Y)  (*)Hinsdalite  (*)Hisingerite  (*)
Hollandite  (*)Hopeite  (*)Hureaulite  (*)Hydroxylapatite  (*)Hydroxylherderite  (*)
Ice  (*)Ilmenite  (*)Jahnsite-(CaMnFe)  (*)Jahnsite-(CaMnMg)  (*)Jahnsite-(CaMnMn)  (*)
Kaersutite  (*)Kalinite  (*)Kaolinite  (*)Kasolite  (*)Keckite  (*)
Kryzhanovskite  (*)Kulanite  (*)Kyanite  (*)Landesite  (*)Laueite  (*)
Lazulite  (*)Lefontite  (*)Leucophosphite  (*)Löllingite  (*)Ludlamite  (*)
Magnetite  (*)Malachite  (*)Marcasite  (*)Margarite  (*)Melanterite  (*)
Messelite  (*)Meta-autunite  (*)Metatorbernite  (*)Metavivianite  (*)Microcline  (*)
Mitridatite  (*)Molybdenite  (*)Molybdite  (*)Montebrasite  (*)Montmorillonite  (*)
Moraesite  (*)Muscovite  (*)Natropalermoite  (*)Nizamoffite  (*)Nontronite  (*)
Opal  (*)Palermoite  (*)Parascholzite  (*)Uranophane-β  (*)Paravauxite  (*)
Parsonsite  (*)Paulscherrerite  (*)Phenakite  (*)Phlogopite  (*)Phosphoferrite  (*)
Phosphophyllite  (*)Phosphosiderite  (*)Phosphuranylite  (*)Powellite  (*)Prehnite  (*)
Pseudobrookite  (*)Pseudolaueite  (*)Pseudomalachite  (*)Purpurite  (*)Pyrite  (*)
Pyromorphite  (*)Pyrrhotite  (*)Quartz  (*)Realgar  (*)Reddingite  (*)
Rhodochrosite  (*)Rhodonite  (*)Riebeckite  (*)Rockbridgeite  (*)Roscherite  (*)
Rutherfordine  (*)Rutile  (*)Samuelsonite  (*)Sarcopside  (*)Scheelite  (*)
Schoepite  (*)Schoonerite  (*)Schorl  (*)Scorzalite  (*)Siderite  (*)
Sillimanite  (*)Silver  (*)Sinkankasite  (*)Smithsonite  (*)Soddyite  (*)
Souzalite  (*)Spessartine  (*)Sphalerite  (*)Staurolite  (*)Stewartite  (*)
Strengite  (*)Strunzite  (*)Talc  (*)Tantalite-(Fe)  (*)Tapiolite-(Fe)  (*)
Tavorite  (*)Tenorite  (*)Titanite  (*)Todorokite  (*)Topaz  (*)
Torbernite  (*)Tremolite  (*)Triphylite  (*)Triploidite  (*)Ulvöspinel  (*)
Uraninite  (*)Uranophane-α  (*)Ushkovite  (*)Vandendriesscheite  (*)Vesuvianite  (*)
Vivianite  (*)Wardite  (*)Whiteite-(CaMnMg)  (*)Whiteite-(MnFeMg)  (*)Whitlockite  (*)
Whitmoreite  (*)Wolfeite  (*)Xanthoxenite  (*)Xenotime-(Y)  (*)Zanazziite  (*)
Zircon  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)25242114,242144,242342,242431,2424443419
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O61242143286
Albite  (*)FeldsparNa(AlSi3O8)339294101242099,242103,242104,242105,242107,242109,242112,242113,242136,242143,242146,242147,242150,242155,242159,242181,242196,242197,242200,242204,242206,242210,242213,242215,242216,242217,242218,242219,242220,242221,242222,242223,242224,242225,242226,242227,242228,242229,242230,242231,242232,242233,242234,242236,242237,242238,242239,242240,242241,242242,242243,242247,242256,242257,242258,242259,242260,242261,242263,242277,242279,242280,242281,242282,242283,242284,242285,242286,242287,242306,242333,242358,242371,242382,242383,242384,242386,242387,242388,242389,242390,242391,242392,242393,242394,242395,242396,242398,242400,242404,242405,242415,242416,242420,242422,242431,242435,242436,242439,242450,2424518803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1242099706
Almandine  (*)GarnetFe2+3Al2(SiO4)3339294129242097,242098,242099,242100,242101,242104,242105,242106,242107,242108,242109,242110,242111,242112,242113,242114,242145,242147,242148,242154,242155,242156,242157,242158,242159,242160,242161,242172,242176,242180,242181,242182,242183,242184,242185,242186,242187,242188,242189,242190,242191,242192,242194,242195,242196,242197,242198,242199,242200,242202,242203,242204,242205,242207,242208,242209,242210,242211,242212,242213,242215,242216,242217,242218,242219,242220,242221,242222,242223,242224,242225,242226,242227,242228,242229,242230,242231,242232,242233,242234,242235,242236,242237,242239,242243,242247,242256,242260,242263,242265,242266,242271,242277,242278,242279,242280,242281,242282,242287,242288,242292,242298,242302,242308,242310,242311,242316,242340,242351,242352,242353,242384,242385,242386,242393,242394,242396,242398,242400,242402,242404,242405,242408,242420,242428,242431,242432,242450,2424532353
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O12421431627
Anapaite  (*)Not in a structural groupCa2Fe2+(PO4)2·4H2O326294124223625
Anatase  (*)Not in a structural groupTiO23262944242136,242220,242236,2423622162
Andalusite  (*)AndalusiteAl2SiO512423421310
Andradite  (*)GarnetCa3Fe3+2(SiO4)312424311534
Anglesite  (*)BarytePb(SO4)332.09012422102734
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)210242114,242343,242358,242360,242364,242368,242369,242372,242373,2424573092
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)25242218,242219,242234,242263,242280356
Anorthite  (*)FeldsparCa(Al2Si2O8)4242143,242155,242333,2423581036
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)24704701242441718
Arrojadite-(KFe)  (*)Arrojadite(KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)23262944242232,242234,242236,24227750
Arsenic  (*)ArsenicAs1242298379
Arsenopyrite  (*)ArsenopyriteFeAsS33929421242099,242100,242109,242114,242172,242175,242220,242225,242234,242236,242247,242298,242301,242327,242331,242343,242346,242348,242358,242369,2424319052
Augelite  (*)NoneAl2(PO4)(OH)33262942242236,24224779
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O62242143,2423582060
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O3392949242099,242100,242193,242210,242220,242225,242236,242243,2423861272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)23261944242172,242236,242381,2424315509
Barbosalite  (*)LazuliteFe2+Fe3+2(PO4)2(OH)2326294124223643
Baryte  (*)BaryteBa(SO4)124241011547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F1242136304
Bazzite  (*)BerylBe3(Sc,Fe3+,Mg)2Si6O18·Na0.32·nH2O124213651
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O3392944242220,242225,242236,242247136
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O3392942242225,24223655
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)23392946242136,242189,242210,242225,242236,242386606
Beryl  (*)BerylBe3Al2Si6O1833929470242099,242100,242102,242104,242107,242108,242109,242112,242113,242136,242145,242148,242149,242153,242181,242182,242189,242191,242193,242195,242196,242200,242203,242209,242210,242211,242216,242217,242220,242222,242225,242227,242228,242231,242232,242236,242243,242247,242256,242263,242267,242277,242278,242287,242314,242316,242335,242338,242341,242382,242386,242387,242388,242393,242396,242415,242417,242419,242420,242421,242422,242423,242426,242437,242439,242446,242447,242448,242451,2424524286
Beryllonite  (*)BerylloniteNaBe(PO4)332.092943242210,242220,24223647
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O3262941242236178
Bismuth  (*)ArsenicBi332.092943242210,242236,2422471966
Bismuthinite  (*)StibniteBi2S33262942242236,2423791935
Bjarebyite  (*)BjarebyiteBaMn2+2Al2(PO4)3(OH)33262942242220,2422366
Bornite  (*)NoneCu5FeS43262944242236,242243,242247,2423585516
Brazilianite  (*)Not in a structural groupNaAl3(PO4)2(OH)43392943242220,242225,24223659
Brushite  (*)GypsumCa(PO3OH)·2H2O3262941242236104
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O3262941242236280
Calcite  (*)CalciteCa(CO3)19419423242114,242131,242143,242172,242290,242298,242299,242333,242344,242349,242350,242351,242354,242358,242365,242379,242397,242402,242403,242431,242433,242437,24243827770
Cassiterite  (*)RutileSnO212421365171
Cerianite-(Ce)  (*)FluoriteCeO2124213694
Cerussite  (*)AragonitePb(CO3)32629412422364979
Chalcocite  (*)NoneCu2S2242397,2424025707
Chalcopyrite  (*)ChalcopyriteCuFeS247029442242109,242114,242116,242118,242119,242120,242121,242122,242124,242169,242172,242175,242178,242206,242220,242236,242243,242247,242296,242298,242301,242307,242327,242331,242343,242346,242348,242358,242359,242360,242361,242364,242373,242376,242381,242396,242397,242429,242431,242437,242441,24245727198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)83242263,242376,242402577
Childrenite  (*)ChildreniteFe2+Al(PO4)(OH)2·H2O3262943242220,242236,24224793
Chlorapatite  (*)ApatiteCa5(PO4)3Cl3262942242236,242247203
Chloritoid  (*)ChloritoidFe2+Al2O(SiO4)(OH)26242148,242398,242400,242404,242405,242450376
Chrysoberyl  (*)OlivineBeAl2O4332.0902242210,242434321
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)83242306,2424311756
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)12423511025
Collinsite  (*)FairfielditeCa2Mg(PO4)2·2H2O3262942242236,24224738
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6332.092946242099,242109,242210,242236,242247,242287518
Compreignacite  (*)CompreignaciteK2(UO2)6O4(OH)6·7H2O326294124223627
Copper  (*)CopperCu12423973846
Cordierite  (*)BerylMg2Al4Si5O184704707242165,242398,242400,242404,242405,242441,2424501008
Covellite  (*)CovelliteCuS32629412422364165
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)63262944242099,242220,242236,242247310
Cuprite  (*)Not in a structural groupCu2O32629412422362970
Danalite  (*)Cancrinite-sodalite SodaliteBe3Fe2+4(SiO4)3S124213658
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O3262942242236,24224781
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2124209926
Diopside  (*)PyroxeneCaMgSi2O62242438,2424434135
Djurleite  (*)NoneCu31S163262941242236300
Dolomite  (*)NoneCaMg(CO3)24242114,242351,242358,2423699895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)1242406648
Dufrénite  (*)DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O3262941242236139
Eleonorite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O3392942242225,24223651
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O3392944242225,242236,242247,242386128
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)47019414242114,242127,242171,242172,242289,242302,242306,242320,242358,242431,242432,242437,242441,2424508173
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O3262942242236,24224772
Falsterite  (*)Not in a structural groupCa2MgMn2+2Fe2+2Fe3+2Zn4(PO4)8(OH)4(H2O)1432629412422362
Fayalite  (*)OlivineFe2+2(SiO4)1941941242172371
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O1941943242172,242321,242379345
Ferrirockbridgeite  (*)Rockbridgeite(Fe3+0.67   0.33)2(Fe3+)3(PO4)3(OH)4(H2O)32629412422361
Ferrisicklerite  (*)OlivineLi1-x(Fe3+,Mn2+)(PO4)3262942242236,242247108
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)22242143,242431271
Ferrostrunzite  (*)StrunziteFe2+Fe3+2(PO4)2(OH)2·6H2O326294124223619
Florencite-(Ce)  (*)AluniteCeAl3(PO4)2(OH)6326294124223673
Fluocerite-(Ce)  (*)FluoceriteCeF3124213645
Fluorapatite  (*)ApatiteCa5(PO4)3F332.0929429242099,242107,242109,242151,242182,242186,242187,242193,242196,242197,242200,242209,242210,242218,242220,242232,242234,242236,242237,242243,242247,242263,242287,242384,242386,242398,242404,242420,2424502740
Fluorite  (*)FluoriteCaF22242136,2421379617
Foggite  (*)NoneCaAl(PO4)(OH)2·H2O32629412422364
Frondelite  (*)Rockbridgeite(Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)53392942242225,24224752
Gadolinite-(Ce)  (*)GadoliniteCe2Fe2+Be2O2(SiO4)2124213631
Gadolinite-(Y)  (*)GadoliniteY2Fe2+Be2O2(SiO4)21242136163
Galena  (*)RocksaltPbS47029438242114,242122,242139,242142,242168,242171,242172,242174,242210,242220,242236,242243,242247,242301,242307,242319,242329,242343,242346,242348,242358,242359,242367,242368,242369,242370,242373,242374,242375,242376,242382,242397,242402,242425,242429,242437,242441,24245724243
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)21242351178
Genthelvite  (*)Cancrinite-sodalite SodaliteBe3Zn4(SiO4)3S124213660
Goedkenite  (*)BrackebuschiteSr2Al(PO4)2(OH)32629412422363
Goethite  (*)DiasporeFeO(OH)332.092949242123,242128,242136,242210,242220,242234,242236,242243,2423787437
Gold  (*)CopperAu47047019242114,242117,242132,242142,242176,242318,242322,242340,242343,242346,242348,242352,242353,242358,242367,242368,242369,242375,24243730554
Gordonite  (*)LaueiteMgAl2(PO4)2(OH)2·8H2O3262942242236,24224718
Gormanite  (*)SouzaliteFe2+3Al4(PO4)4(OH)6·2H2O3262943242220,242236,24224723
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)63262944242220,242236,242247,242386173
Graftonite  (*)GraftoniteFe2+Fe2+2(PO4)233929421242099,242189,242203,242217,242223,242225,242232,242233,242234,242236,242238,242247,242256,242272,242277,242279,242280,242287,242386,242387,242420107
Graphite  (*)NoneC9242141,242380,242397,242398,242400,242402,242404,242405,2424442812
Greifensteinite  (*)RoscheriteCa2Be4Fe2+5(PO4)6(OH)4·6H2O3262942242220,24223627
Grossular  (*)GarnetCa3Al2(SiO4)34242131,242351,242437,2424381544
Gypsum  (*)GypsumCa(SO4)·2H2O3262942242144,2422366890
Hagendorfite  (*)AlluauditeNa2MnFe2+Fe3+(PO4)3326294124223617
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O1242144409
Hedenbergite  (*)PyroxeneCaFe2+Si2O61941941242172741
Helvine  (*)Sodalite Cancrinite-sodaliteBe3Mn2+4(SiO4)3S1242136237
Hematite  (*)CorundumFe2O347029415242114,242127,242136,242172,242177,242236,242243,242247,242298,242300,242323,242358,242402,242410,24244114640
Heterosite  (*)OlivineFe3+(PO4)3392947242099,242189,242225,242236,242243,242277,242420204
Hingganite-(Y)  (*)GadoliniteBeY(SiO4)(OH)124213655
Hinsdalite  (*)AlunitePbAl3(SO4)(PO4)(OH)6326294124223682
Hisingerite  (*)Kaolinite ClayFe2Si2O5(OH)4·2H2O3262941242236144
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O163262941242236243
Hopeite  (*)HopeiteZn3(PO4)2·4H2O326294124223629
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O3392942242225,242236125
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH3262942242236,242247367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)3392945242107,242220,242225,242236,242386119
Ice  (*)Amorphous TridymiteH2O326294124223659
Ilmenite  (*)CorundumFe2+Ti4+O310242136,242176,242358,242400,242404,242405,242409,242410,242431,2424505433
Jahnsite-(CaMnFe)  (*)JahnsiteCaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O3392943242225,242236,24224727
Jahnsite-(CaMnMg)  (*)JahnsiteCaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O339319124222514
Jahnsite-(CaMnMn)  (*)JahnsiteCaMn2+Mn2+2Fe3+2(PO4)4(OH)2·8H2O3262942242236,24224718
Kaersutite  (*)AmphiboleNaCa2(Mg3AlTi4+)(Si6Al2)O22O21242143179
Kalinite  (*)NoneKAl(SO4)2·11H2O124211554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412424165591
Kasolite  (*)NonePb(UO2)(SiO4)·H2O332.0901242210198
Keckite  (*)JahnsiteCaMn(Fe3+,Mn)2Fe3+2(PO4)4(OH)3·7H2O326294124223610
Kryzhanovskite  (*)Reddingite(Fe3+,Mn2+)3(PO4)2(OH,H2O)33262942242236,24224734
Kulanite  (*)BjarebyiteBaFe2+2Al2(PO4)3(OH)33262942242220,24223612
Kyanite  (*)Not in a structural groupAl2OSiO447047015242289,242330,242351,242380,242397,242398,242400,242401,242402,242404,242405,242431,242437,242441,2424501507
Landesite  (*)ReddingiteMn2+9Fe3+3(PO4)8(OH)3·9H2O326294124223614
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O3392948242099,242217,242225,242236,242243,242247,242277,24228770
Lazulite  (*)LazuliteMgAl2(PO4)2(OH)23262943242232,242236,242247232
Lefontite  (*)ChildreniteFe2Al2Be(PO4)2(OH)632629412422362
Leucophosphite  (*)LeucophosphiteKFe3+2(PO4)2(OH)·2H2O3392943242220,242225,242236110
Löllingite  (*)LöllingiteFeAs2332.092945242099,242189,242210,242236,242247762
Ludlamite  (*)NoneFe2+3(PO4)2·4H2O3392944242099,242225,242236,24224766
Magnetite  (*)SpinelFe2+Fe3+2O432629429242107,242108,242112,242114,242127,242143,242144,242151,242163,242172,242176,242232,242234,242236,242247,242263,242298,242300,242323,242330,242340,242352,242353,242358,242379,242409,242410,242429,24243114899
Malachite  (*)MalachiteCu2(CO3)(OH)24702947242236,242358,242359,242381,242397,242431,24244112537
Marcasite  (*)MarcasiteFeS232629412422365674
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)22242148,242404168
Melanterite  (*)MelanteriteFe(SO4)·7H2O3262941242236915
Messelite  (*)FairfielditeCa2Fe2+(PO4)2·2H2O326294124223643
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O3392948242099,242187,242189,242210,242220,242225,242236,242386388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O3392946242187,242189,242210,242220,242225,242236443
Metavivianite  (*)SymplesiteFe2+Fe3+2(PO4)2(OH)2·6H2O3262942242236,24224726
Microcline  (*)FeldsparK(AlSi3O8)339294125242097,242098,242105,242106,242107,242108,242109,242110,242111,242112,242113,242133,242134,242136,242137,242145,242147,242148,242150,242151,242154,242156,242157,242158,242159,242160,242161,242171,242180,242181,242182,242183,242184,242185,242186,242187,242188,242190,242191,242192,242194,242195,242196,242197,242198,242199,242200,242202,242204,242205,242206,242207,242208,242209,242210,242211,242212,242213,242215,242216,242217,242218,242219,242220,242221,242222,242223,242224,242225,242226,242227,242228,242229,242230,242231,242232,242235,242236,242242,242243,242247,242256,242263,242265,242277,242278,242279,242280,242281,242282,242283,242284,242285,242286,242287,242288,242294,242297,242298,242302,242305,242310,242311,242314,242316,242323,242326,242335,242336,242337,242338,242339,242341,242348,242369,242370,242372,242373,242374,242376,242384,242385,242386,242405,2424284924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O3262943242236,242243,242247129
Molybdenite  (*)MolybdeniteMoS24701948242136,242148,242172,242321,242369,242379,242431,2424375800
Molybdite  (*)NoneMoO32242321,242328140
Montebrasite  (*)NoneLiAl(PO4)(OH)3262942242236,242247200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O332.0902242193,2422101508
Moraesite  (*)NoneBe2(PO4)(OH)·4H2O3262944242099,242220,242236,24228735
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2470194236242097,242098,242099,242100,242101,242102,242103,242104,242105,242106,242107,242108,242109,242110,242111,242112,242113,242114,242116,242118,242119,242120,242121,242122,242124,242133,242134,242136,242139,242145,242146,242147,242148,242149,242150,242151,242154,242155,242156,242157,242158,242159,242160,242161,242163,242168,242170,242171,242172,242174,242176,242178,242180,242181,242182,242184,242185,242186,242187,242188,242189,242190,242191,242192,242193,242194,242195,242196,242197,242198,242199,242200,242201,242202,242203,242204,242205,242206,242207,242208,242209,242210,242211,242212,242213,242215,242216,242217,242218,242219,242220,242221,242222,242223,242224,242225,242226,242227,242228,242229,242230,242231,242232,242233,242234,242235,242236,242237,242238,242239,242240,242241,242242,242243,242245,242246,242247,242248,242249,242252,242253,242254,242255,242256,242257,242258,242259,242260,242261,242263,242265,242266,242267,242268,242269,242270,242271,242272,242273,242274,242275,242276,242277,242278,242279,242280,242281,242282,242283,242284,242285,242286,242287,242288,242289,242292,242294,242296,242297,242298,242301,242302,242305,242306,242307,242310,242311,242314,242316,242318,242319,242320,242321,242322,242323,242326,242327,242328,242329,242330,242331,242342,242343,242346,242348,242351,242358,242370,242371,242372,242373,242374,242383,242384,242385,242386,242387,242388,242389,242390,242391,242392,242393,242394,242395,242396,242397,242398,242400,242404,242408,242410,242415,242416,242417,242420,242421,242422,242424,242426,242428,242429,242431,242432,242435,242436,242439,242440,242441,242445,242447,242448,242450,242451,242452,24245717380
Natropalermoite  (*)CarminiteNa2SrAl4(PO4)4(OH)432629412422361
Nizamoffite  (*)HopeiteMn2+Zn2(PO4)2(H2O)432629412422362
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O3262941242236471
Opal  (*)AmorphousSiO2·nH2O3262942242136,2422362994
Palermoite  (*)CarminiteLi2SrAl4(PO4)4(OH)432629412422363
Parascholzite  (*)NoneCaZn2(PO4)2·2H2O326294124223612
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.092942242210,242236144
Paravauxite  (*)LaueiteFe2+Al2(PO4)2(OH)2·8H2O3392944242220,242225,242236,24224719
Parsonsite  (*)NonePb2(UO2)(PO4)2332.090124221063
Paulscherrerite  (*)None(UO2)(OH)2332.092942242210,2422363
Phenakite  (*)PhenakiteBe2(SiO4)2242136,242386326
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)247047012424412273
Phosphoferrite  (*)ReddingiteFe2+3(PO4)2·3H2O326294124223631
Phosphophyllite  (*)PhosphophylliteZn2Fe2+(PO4)2·4H2O3262942242236,24224329
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O3392944242225,242236,242247,242287182
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O332.092942242210,242236182
Powellite  (*)ScheeliteCa(MoO4)1242379494
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)212424311898
Pseudobrookite  (*)Pseudobrookite(Fe3+2Ti)O51242333164
Pseudolaueite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O3262942242236,24224710
Pseudomalachite  (*)NoneCu5(PO4)2(OH)43262941242236369
Purpurite  (*)OlivineMn3+(PO4)124242080
Pyrite  (*)PyriteFeS247029480242100,242105,242109,242112,242114,242116,242118,242119,242120,242121,242122,242124,242126,242136,242139,242144,242147,242150,242166,242171,242174,242175,242178,242186,242191,242210,242220,242232,242234,242236,242243,242247,242263,242292,242294,242296,242298,242301,242307,242318,242319,242321,242322,242327,242329,242331,242333,242343,242346,242348,242358,242360,242361,242364,242368,242369,242370,242371,242372,242373,242374,242379,242381,242382,242386,242387,242394,242397,242402,242404,242429,242431,242432,242435,242436,242437,242439,242440,242441,24245739462
Pyromorphite  (*)ApatitePb5(PO4)3Cl32629412422361725
Pyrrhotite  (*)NickelineFe7S847029431242109,242114,242121,242171,242210,242236,242296,242298,242307,242319,242327,242331,242343,242346,242348,242358,242359,242360,242373,242381,242386,242387,242396,242397,242398,242402,242429,242435,242436,242437,2424419056
Quartz  (*)QuartzSiO2470294274242097,242098,242099,242100,242101,242102,242103,242104,242105,242106,242107,242108,242109,242110,242111,242112,242113,242114,242116,242117,242118,242119,242120,242121,242122,242124,242128,242133,242134,242136,242137,242139,242142,242144,242145,242146,242147,242148,242149,242150,242151,242154,242155,242156,242157,242158,242159,242160,242161,242163,242168,242170,242171,242172,242174,242175,242176,242178,242180,242181,242182,242183,242184,242185,242186,242187,242188,242189,242190,242191,242192,242193,242194,242195,242196,242197,242198,242199,242200,242201,242202,242203,242204,242205,242206,242207,242208,242209,242210,242211,242212,242213,242215,242216,242217,242218,242219,242220,242221,242222,242223,242224,242225,242226,242227,242228,242229,242230,242231,242232,242233,242234,242235,242236,242237,242238,242239,242240,242241,242242,242243,242245,242246,242247,242248,242252,242253,242254,242255,242256,242257,242258,242259,242260,242261,242263,242265,242266,242267,242269,242270,242271,242272,242273,242275,242276,242277,242278,242279,242280,242281,242282,242283,242284,242285,242286,242287,242288,242289,242290,242292,242293,242294,242295,242296,242297,242298,242299,242300,242301,242302,242305,242307,242310,242311,242314,242315,242316,242318,242319,242320,242321,242322,242323,242326,242327,242328,242329,242330,242331,242332,242335,242336,242337,242338,242339,242340,242341,242342,242343,242344,242346,242348,242349,242350,242351,242352,242353,242354,242358,242360,242361,242362,242364,242367,242368,242369,242370,242371,242372,242373,242374,242376,242378,242379,242380,242383,242384,242385,242386,242387,242388,242389,242390,242391,242392,242393,242394,242395,242396,242398,242400,242402,242403,242404,242405,242408,242415,242416,242417,242420,242421,242422,242424,242425,242426,242428,242429,242431,242432,242433,242436,242437,242439,242440,242441,242442,242445,242447,242448,242450,242451,242452,24245761156
Realgar  (*)NoneAsS3262941242236712
Reddingite  (*)ReddingiteMn2+3(PO4)2·3H2O326294124223624
Rhodochrosite  (*)CalciteMn(CO3)32629412422361711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1242127969
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)26242335,242336,242337,242338,242339,242341375
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)53392945242099,242225,242236,242243,242247206
Roscherite  (*)RoscheriteCa2Mn2+5Be4(PO4)6(OH)4·6H2O3262942242099,24223622
Rutherfordine  (*)None(UO2)(CO3)326294124223658
Rutile  (*)RutileTiO247029410242247,242295,242378,242379,242398,242403,242404,242437,242441,2424505614
Samuelsonite  (*)NoneCa9Mn2+4Al2(PO4)10(OH)232629412422364
Sarcopside  (*)NoneFe2+3(PO4)23262942242189,24223658
Scheelite  (*)ScheeliteCa(WO4)4242127,242351,242379,2424314894
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6332.092942242210,24223694
Schoonerite  (*)CalcioferriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2(H2O)7·2H2O3262942242236,24224313
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)332.0929484242100,242102,242104,242107,242109,242113,242130,242148,242149,242152,242153,242181,242182,242183,242186,242187,242189,242193,242195,242196,242197,242200,242204,242206,242209,242210,242211,242215,242216,242217,242218,242219,242220,242222,242224,242227,242228,242231,242232,242236,242237,242238,242243,242247,242254,242256,242257,242258,242259,242260,242263,242266,242267,242268,242271,242272,242277,242278,242279,242280,242281,242282,242287,242298,242314,242323,242376,242383,242384,242385,242386,242387,242393,242394,242395,242408,242415,242416,242420,242421,242422,242446,242447,2424512705
Scorzalite  (*)LazuliteFe2+Al2(PO4)2(OH)23262946242109,242220,242232,242236,242243,24224760
Siderite  (*)CalciteFe(CO3)32629410242099,242136,242148,242220,242236,242243,242247,242358,242382,2423866417
Sillimanite  (*)Not in a structural groupAl2SiO533929425242172,242181,242197,242200,242210,242220,242221,242225,242228,242233,242236,242277,242287,242358,242393,242396,242398,242400,242404,242405,242415,242416,242420,242426,2424501516
Silver  (*)CopperAg2242114,2423945186
Sinkankasite  (*)NoneMn2+Al(PO3OH)2(OH)·6H2O32629412422363
Smithsonite  (*)CalciteZn(CO3)3262942242236,2423762473
Soddyite  (*)None(UO2)2(SiO4)(H2O)2332.090124221044
Souzalite  (*)SouzaliteMg3Al4(PO4)4(OH)6·2H2O3262942242236,24224711
Spessartine  (*)GarnetMn2+3Al2(SiO4)34704702242386,2424411214
Sphalerite  (*)SphaleriteZnS47029419242114,242122,242236,242247,242301,242307,242329,242358,242359,242370,242373,242374,242381,242382,242386,242425,242437,242441,24245721482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)332.09015242148,242170,242172,242210,242351,242397,242398,242399,242400,242404,242405,242407,242428,242431,242450978
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O3392945242220,242225,242236,242247,24228748
Strengite  (*)NoneFe3+(PO4)·2H2O3392943242225,242236,242247263
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O3392947242099,242220,242225,242236,242243,242247,24238698
Talc  (*)Clay TalcMg3Si4O10(OH)24704705242298,242303,242402,242406,2424413337
Tantalite-(Fe)  (*)ColumbiteFe2+Ta2O6326294124223699
Tapiolite-(Fe)  (*)TapioliteFe2+Ta2O6326294124224788
Tavorite  (*)NoneLiFe3+(PO4)(OH)3392943242225,242236,24226535
Tenorite  (*)NoneCuO2242359,2423971101
Titanite  (*)TitaniteCaTi(SiO4)O3242333,242398,2424044899
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O3262941242236433
Topaz  (*)TopazAl2SiO4F212422201476
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O3392947242210,242220,242225,242236,242247,242264,2422871059
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)24701946242114,242172,242401,242431,242437,2424412562
Triphylite  (*)OlivineLiFe2+(PO4)33929425242099,242100,242107,242189,242203,242210,242217,242220,242224,242225,242232,242233,242234,242236,242238,242243,242247,242272,242277,242278,242279,242280,242287,242386,242420313
Triploidite  (*)WagneriteMn2+2(PO4)(OH)326294124223629
Ulvöspinel  (*)SpinelFe2+2TiO41242333120
Uraninite  (*)FluoriteUO2332.092948242099,242109,242181,242189,242193,242210,242236,2422472718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O332.092944242099,242210,242236,242386890
Ushkovite  (*)LaueiteMgFe3+2(PO4)2(OH)2·8H2O3262943242220,242236,24224718
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O332.092942242210,24223652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)104704705242131,242213,242437,242438,2424411395
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O33929417242099,242100,242109,242189,242210,242225,242232,242234,242236,242243,242247,242256,242272,242277,242382,242386,242420636
Wardite  (*)WarditeNaAl3(PO4)2(OH)4·2H2O3262942242099,24223658
Whiteite-(CaMnMg)  (*)JahnsiteCaMn2+Mg2Al2(PO4)4(OH)2·8H2O3262942242236,2422477
Whiteite-(MnFeMg)  (*)JahnsiteMn2+Fe2+Mg2Al2(PO4)4(OH)2·8H2O3262942242236,2422476
Whitlockite  (*)CeriteCa9Mg(PO3OH)(PO4)63262941242236104
Whitmoreite  (*)ArthuriteFe2+Fe3+2(PO4)2(OH)2·4H2O3262944242099,242100,242236,24224736
Wolfeite  (*)WagneriteFe2+2(PO4)(OH)3262943242236,242247,24238643
Xanthoxenite  (*)NoneCa4Fe3+2(PO4)4(OH)2·3H2O3392942242225,24223629
Xenotime-(Y)  (*)ZirconY(PO4)3262942242136,242247939
Zanazziite  (*)RoscheriteCa2Be4Mg5(PO4)6(OH)4·6H2O326294124223621
Zircon  (*)ZirconZr(SiO4)332.0929418242099,242114,242136,242151,242210,242236,242243,242247,242277,242333,242369,242384,242386,242398,242400,242404,242405,2424505251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)4701947242114,242172,242289,242342,242431,242437,2424411025


7 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
AREPS5_257-00007194194194        234183Cannon Mountain, Franconia, Grafton Co., New Hampshire, USACannon MountainZartman (1977)10.1146/annurev.ea.05.050177.001353AREPS5_257 
USGS-Rb-Sr-00981332.09320.09326.09±6Rb-Srminimum age of intrusionmuscovite   Muscovite  3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-00982320.91320.91320.91Rb-Srage meaning uncertain (analysis questionable)k-feldspar     3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-00254_207_20616000±160207_206age not evaluateduraninite, pitchblende     3281Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
Alexandra-0411339319329 ± 10K-ArAge of pegmatitemuscovite   Muscovite  6343Fletcher Mine, Groton, Grafton Co., New Hampshire, USAFletcherZartman et al. (1970)10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2GSAB81_3359 
Alexandra-0181326294326–294U-PbAge of pegmatitezircon11Dw303a  Zircon  3942Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAPalermo #1Bradley et al. (2016)10.3749/canmin.1600035CM54_945 
vms-01067470470Ordovician       S6134Ore Hill Mine (Warren Silver-Lead Mine; Warren Zinc Mine), Warren, Grafton Co., New Hampshire, USAOre HillMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL
R040089Grafton Co., New Hampshire, USAhttps://rruff.info/R040089
R050380Grafton Co., New Hampshire, USAhttps://rruff.info/R050380
R070451Fletcher Mine, Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R070451
R130106Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R130106
R130091Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R130091
R130667Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R130667
R160083Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R160083
R140539Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R140539
R060367Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R060367
R130092Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R130092
R120141Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R120141
R090058Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R090058
R080052Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R080052
R110175Palermo No. 1 Mine (Palermo No. 1 Pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USAhttps://rruff.info/R110175

All locality data graciously provided by mindat.org

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