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:
Dunton Gem Quarry, Newry, Oxford Co., Maine, USA


mindat Locality ID: 3780
mindat URL: http://www.mindat.org/loc-3780.html

Tectonic Settings:

Total number of sublocalities beneath "Dunton Gem Quarry, Newry, Oxford Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°32'34"N
Longitude: 70°43'23"W
Decimal Degree (lat, lon): 44.542777777778,-70.723055555556

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: Al As B Ba Be Bi C Ca Cs Cu F Fe H K Li Mg Mn Na Nb O P Pb S Si Sn Sr Ta Ti U Zn Zr 

Elements from minerals reported directly at this locality: Al As B Ba Be Bi C Ca Cs Cu F Fe H K Li Mg Mn Na Nb O P Pb S Si Sn Sr Ta Ti U Zn Zr 

Structural Groups for minerals in this locality: 
AluniteAmorphousAmphiboleAnalcimeApatiteArrojaditeArsenicArseniosideriteArsenopyriteArthurite
AutuniteBerauniteBerylBerylloniteCalcioferriteCalciteCeriteChalcopyriteChildreniteChlorite
ClayColumbiteCoronaditeCorundumDiasporeFairfielditeFeldsparFluoriteGadoliniteGarnet
HureauliteJahnsiteKaoliniteLöllingiteLaueiteLazuliteMalhmooditeMeta-autuniteMicaNone
Not in a structural groupOlivinePerhamitePhosphophyllitePhosphosideritePhosphuranylitePyritePyroxeneQuartzRockbridgeite
RoscheriteRutileSchoepiteSmectite-vermiculiteSphaleriteStewartiteStrunziteTourmalineVivianiteWagnerite
WarditeWölsendorfiteZircon

102 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Anatase  (*)Annite  (*)
Arsenopyrite  (*)Autunite  (*)Beraunite  (*)Bermanite  (*)Bertrandite  (*)
Beryl  (*)Beryllonite  (*)Bismuth  (*)Cassiterite  (*)Chalcopyrite  (*)
Childrenite  (*)Chrysoberyl  (*)Clinochlore  (*)Collinsite  (*)Columbite-(Mn)  (*)
Cookeite  (*)Crandallite  (*)Cryptomelane  (*)Diadochite  (*)Dickinsonite-(KMnNa)  (*)
Dravite  (*)Earlshannonite  (*)Elbaite  (*)Eleonorite  (*)Eosphorite  (*)
Fairfieldite  (*)Ferrostrunzite  (*)Fluorapatite  (*)Foitite  (*)Fourmarierite  (*)
Goethite  (*)Goyazite  (*)Greifensteinite  (*)Hematite  (*)Heterosite  (*)
Hureaulite  (*)Hydroxylapatite  (*)Hydroxylherderite  (*)Jahnsite-(CaMnFe)  (*)Kaolinite  (*)
Kastningite  (*)Laueite  (*)Löllingite  (*)Magnesio-hornblende  (*)Mangangordonite  (*)
Meta-autunite  (*)Metaswitzerite  (*)Metatorbernite  (*)Metavanmeersscheite  (*)Microcline  (*)
Mitridatite  (*)Montebrasite  (*)Montmorillonite  (*)Moraesite  (*)Muscovite  (*)
Opal  (*)Uranophane-β  (*)Perhamite  (*)Phosphophyllite  (*)Phosphosiderite  (*)
Phosphuranylite  (*)Pollucite  (*)Pyrite  (*)Quartz  (*)Rhodochrosite  (*)
Rockbridgeite  (*)Rutherfordine  (*)Schoepite  (*)Schoonerite  (*)Schorl  (*)
Scorzalite  (*)Siderite  (*)Sphalerite  (*)Spodumene  (*)Stewartite  (*)
Strengite  (*)Strunzite  (*)Switzerite  (*)Tantalite-(Mn)  (*)Todorokite  (*)
Torbernite  (*)Triphylite  (*)Triploidite  (*)Uralolite  (*)Uraninite  (*)
Uranophane-α  (*)Ushkovite  (*)Vandendriesscheite  (*)Vanmeersscheite  (*)Vivianite  (*)
Wardite  (*)Whitlockite  (*)Wodginite  (*)Wölsendorfite  (*)Xanthoxenite  (*)
Zigrasite  (*)Zircon  (*)
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)203419
Albite  (*)FeldsparNa(AlSi3O8)08803
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Anatase  (*)Not in a structural groupTiO202162
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)20356
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O01272
Beraunite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O0136
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O055
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)20606
Beryl  (*)BerylBe3Al2Si6O1804286
Beryllonite  (*)BerylloniteNaBe(PO4)047
Bismuth  (*)ArsenicBi01966
Cassiterite  (*)RutileSnO205171
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Childrenite  (*)ChildreniteFe2+Al(PO4)(OH)2·H2O093
Chrysoberyl  (*)OlivineBeAl2O40321
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)801756
Collinsite  (*)FairfielditeCa2Mg(PO4)2·2H2O038
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O60289
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)80181
Crandallite  (*)AluniteCaAl3(PO4)(PO3OH)(OH)60310
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O160599
Diadochite  (*)AmorphousFe3+2(PO4)(SO4)(OH)·6H2O081
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)2026
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)0648
Earlshannonite  (*)ArthuriteMn2+Fe3+2(PO4)2(OH)2·4H2O012
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)0520
Eleonorite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O051
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O0128
Fairfieldite  (*)FairfielditeCa2Mn2+(PO4)2·2H2O072
Ferrostrunzite  (*)StrunziteFe2+Fe3+2(PO4)2(OH)2·6H2O019
Fluorapatite  (*)ApatiteCa5(PO4)3F02740
Foitite  (*)Tourmaline   (Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)075
Fourmarierite  (*)SchoepitePb1-xO3-2x(UO2)4(OH)4+2x·4H2O061
Goethite  (*)DiasporeFeO(OH)07437
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)60173
Greifensteinite  (*)RoscheriteCa2Be4Fe2+5(PO4)6(OH)4·6H2O027
Hematite  (*)CorundumFe2O3014640
Heterosite  (*)OlivineFe3+(PO4)0204
Hureaulite  (*)HureauliteMn2+5(PO3OH)2(PO4)2·4H2O0125
Hydroxylapatite  (*)ApatiteCa5(PO4)3OH0367
Hydroxylherderite  (*)GadoliniteCaBe(PO4)(OH)0119
Jahnsite-(CaMnFe)  (*)JahnsiteCaMn2+Fe2+2Fe3+2(PO4)4(OH)2·8H2O027
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)405591
Kastningite  (*)StewartiteMn2+Al2(PO4)2(OH)2·8H2O08
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O070
Löllingite  (*)LöllingiteFeAs20762
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)20238
Mangangordonite  (*)LaueiteMn2+Al2(PO4)2(OH)2·8H2O06
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O0388
Metaswitzerite  (*)NoneMn2+3(PO4)2·4H2O022
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O0443
Metavanmeersscheite  (*)NoneU(UO2)3(PO4)2(OH)6·2H2O04
Microcline  (*)FeldsparK(AlSi3O8)04924
Mitridatite  (*)ArseniosideriteCa2Fe3+3O2(PO4)3·3H2O0129
Montebrasite  (*)NoneLiAl(PO4)(OH)0200
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O01508
Moraesite  (*)NoneBe2(PO4)(OH)·4H2O035
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Opal  (*)AmorphousSiO2·nH2O02994
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0144
Perhamite  (*)PerhamiteCa3Al7.7Si3P4O23.5(OH)14.1·8H2O019
Phosphophyllite  (*)PhosphophylliteZn2Fe2+(PO4)2·4H2O029
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O0182
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O0182
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O0140
Pyrite  (*)PyriteFeS2039462
Quartz  (*)QuartzSiO2061156
Rhodochrosite  (*)CalciteMn(CO3)01711
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)50206
Rutherfordine  (*)None(UO2)(CO3)058
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6094
Schoonerite  (*)CalcioferriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2(H2O)7·2H2O013
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Scorzalite  (*)LazuliteFe2+Al2(PO4)2(OH)2060
Siderite  (*)CalciteFe(CO3)06417
Sphalerite  (*)SphaleriteZnS021482
Spodumene  (*)PyroxeneLiAlSi2O60688
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O048
Strengite  (*)NoneFe3+(PO4)·2H2O0263
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O098
Switzerite  (*)NoneMn2+3(PO4)2·7H2O021
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O60211
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O0433
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O01059
Triphylite  (*)OlivineLiFe2+(PO4)0313
Triploidite  (*)WagneriteMn2+2(PO4)(OH)029
Uralolite  (*)NoneCa2Be4(PO4)3(OH)3·5H2O08
Uraninite  (*)FluoriteUO202718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0890
Ushkovite  (*)LaueiteMgFe3+2(PO4)2(OH)2·8H2O018
Vandendriesscheite  (*)NonePb1.6(UO2)10O6(OH)11·11H2O052
Vanmeersscheite  (*)NoneU(UO2)3(PO4)2(OH)6·4H2O08
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O0636
Wardite  (*)WarditeNaAl3(PO4)2(OH)4·2H2O058
Whitlockite  (*)CeriteCa9Mg(PO3OH)(PO4)60104
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8078
Wölsendorfite  (*)WölsendorfitePb7(UO2)14O19(OH)4·12H2O043
Xanthoxenite  (*)NoneCa4Fe3+2(PO4)4(OH)2·3H2O029
Zigrasite  (*)MalhmooditeMgZr(PO4)2·4H2O01
Zircon  (*)ZirconZr(SiO4)05251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R120143Dunton Gem Quarry, Newry, Oxford Co., Maine, USAhttps://rruff.info/R120143


All locality data graciously provided by mindat.org

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