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Valencia Mine, Groton, Grafton County, New Hampshire, USAi
Regional Level Types
Valencia MineMine
GrotonTown
Grafton CountyCounty
New HampshireState
USACountry

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PhotosMapsSearch
02377460017272027912482.jpg
Beryl

Valencia Mine, Groton, Grafton County, New Hampshire, USA
03057590017272027923785.jpg
Fluorapatite, etc.

Valencia Mine, Groton, Grafton County, New Hampshire, USA
02377460017272027912482.jpg
Beryl

Valencia Mine, Groton, Grafton County, New Hampshire, USA
03057590017272027923785.jpg
Fluorapatite, etc.

Valencia Mine, Groton, Grafton County, New Hampshire, USA
02377460017272027912482.jpg
Beryl

Valencia Mine, Groton, Grafton County, New Hampshire, USA
03057590017272027923785.jpg
Fluorapatite, etc.

Valencia Mine, Groton, Grafton County, New Hampshire, USA
Latitude & Longitude (WGS84):
43° North , 71° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~3km
GRN:
N30W38
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
8921
Long-form identifier:
mindat:1:2:8921:3
GUID (UUID V4):
0


Mica mine in granite pegmatite located near the village of North Groton. Opened in 1880, this mine was a large producer of mica from 1884-1896.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ Beryl var. Aquamarine
Formula: Be3Al2Si6O18
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Columbite-(Fe)
Formula: Fe2+Nb2O6
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorapatite var. Manganese-bearing Fluorapatite
Formula: (Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
ⓘ Graftonite
Formula: Fe2+Fe2+2(PO4)2
ⓘ Heterosite ?
Formula: (Fe3+,Mn3+)PO4
Description: According to Elwell (1936), forms pseudomorphs after triphylite.
ⓘ 'Jahnsite Group'
Formula: XM1M22M32(H2O)8(OH)2(PO4)4
ⓘ Laueite
Formula: Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘ Lithiophilite ?
Formula: LiMn2+PO4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Moraesite
Formula: Be2(PO4)(OH) · 4H2O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Phosphosiderite
Formula: FePO4 · 2H2O
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Stewartite
Formula: Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ Triphylite
Formula: LiFe2+PO4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite ?8.AB.10(Fe3+,Mn3+)PO4
ⓘLithiophilite ?8.AB.10LiMn2+PO4
ⓘTriphylite8.AB.10LiFe2+PO4
ⓘGraftonite8.AB.20Fe2+Fe2+2(PO4)2
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘvar. Manganese-bearing Fluorapatite8.BN.05(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
ⓘPhosphosiderite8.CD.05FePO4 · 2H2O
ⓘMoraesite8.DA.05Be2(PO4)(OH) · 4H2O
ⓘLaueite8.DC.30Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘStewartite8.DC.30Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘBeryl
var. Aquamarine		9.CJ.05Be3Al2Si6O18
ⓘ9.CJ.05Be3Al2(Si6O18)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Jahnsite Group'-XM1M22M32(H2O)8(OH)2(PO4)4

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Hⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Hⓘ MoraesiteBe2(PO4)(OH) · 4H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PhosphosideriteFePO4 · 2H2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
LiLithium
Liⓘ LithiophiliteLiMn2+PO4
Liⓘ TriphyliteLiFe2+PO4
BeBeryllium
Beⓘ Beryl var. AquamarineBe3Al2Si6O18
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ MoraesiteBe2(PO4)(OH) · 4H2O
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Beryl var. AquamarineBe3Al2Si6O18
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Columbite-(Fe)Fe2+Nb2O6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GraftoniteFe2+Fe22+(PO4)2
Oⓘ Heterosite(Fe3+,Mn3+)PO4
Oⓘ LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Oⓘ LithiophiliteLiMn2+PO4
Oⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MoraesiteBe2(PO4)(OH) · 4H2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PhosphosideriteFePO4 · 2H2O
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TriphyliteLiFe2+PO4
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Beryl var. AquamarineBe3Al2Si6O18
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Beryl var. AquamarineBe3Al2Si6O18
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ GraftoniteFe2+Fe22+(PO4)2
Pⓘ Heterosite(Fe3+,Mn3+)PO4
Pⓘ LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Pⓘ LithiophiliteLiMn2+PO4
Pⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Pⓘ MoraesiteBe2(PO4)(OH) · 4H2O
Pⓘ PhosphosideriteFePO4 · 2H2O
Pⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Pⓘ TriphyliteLiFe2+PO4
Pⓘ Jahnsite GroupXM1M22M32(H2O)8(OH)2(PO4)4
ClChlorine
Clⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnⓘ Heterosite(Fe3+,Mn3+)PO4
Mnⓘ LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Mnⓘ LithiophiliteLiMn2+PO4
Mnⓘ Fluorapatite var. Manganese-bearing Fluorapatite(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn5+]O4)3(F,Cl,OH)
Mnⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Columbite-(Fe)Fe2+Nb2O6
Feⓘ GraftoniteFe2+Fe22+(PO4)2
Feⓘ Heterosite(Fe3+,Mn3+)PO4
Feⓘ LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Feⓘ PhosphosideriteFePO4 · 2H2O
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Feⓘ TriphyliteLiFe2+PO4
CuCopper
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
NbNiobium
Nbⓘ Columbite-(Fe)Fe2+Nb2O6
UUranium
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Elwell, Wilbur J. (1936) A Mineralogical Trip Through New England. Rocks and Minerals, 11 (3). 36-37
Maurice, C. S.; Headley, J. B., Jr. (1943). Valencia and Hackett mica mines, Groton, New Hampshire, USGS Open-File Report 43-67.
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
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