Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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DeMott Quarry, Grafton, Grafton County, New Hampshire, USAi
Regional Level Types
DeMott QuarryQuarry
GraftonTownship
Grafton CountyCounty
New HampshireState
USACountry

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Latitude & Longitude (WGS84):
43° North , 71° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Mindat Locality ID:
6814
Long-form identifier:
mindat:1:2:6814:0
GUID (UUID V4):
0


Mica Mine. Granite pegmatite, Grafton field.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


18 valid minerals.

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
Autunite ?
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Bertrandite
Formula: Be4(Si2O7)(OH)2
Beryl
Formula: Be3Al2(Si6O18)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'
'Feldspar Group var. Perthite'
Graftonite
Formula: Fe2+Fe2+2(PO4)2
Heterosite
Formula: (Fe3+,Mn3+)PO4
Löllingite
Formula: FeAs2
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Quartz
Formula: SiO2
Sarcopside
Formula: Fe2+3(PO4)2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Scorodite
Formula: Fe3+AsO4 · 2H2O
References:
Torbernite ?
Formula: Cu(UO2)2(PO4)2 · 12H2O
Triphylite
Formula: LiFe2+PO4
Uraninite
Formula: UO2
Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Löllingite2.EB.15aFeAs2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Uraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Heterosite8.AB.10(Fe3+,Mn3+)PO4
Triphylite8.AB.10LiFe2+PO4
Sarcopside8.AB.15Fe2+3(PO4)2
Graftonite8.AB.20Fe2+Fe2+2(PO4)2
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Vivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
Autunite ?8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Torbernite ?8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'-
'var. Perthite'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H BertranditeBe4(Si2O7)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H ScoroditeFe3+AsO4 · 2H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H VivianiteFe2+Fe22+(PO4)2 · 8H2O
LiLithium
Li TriphyliteLiFe2+PO4
BeBeryllium
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O AlmandineFe32+Al2(SiO4)3
O BertranditeBe4(Si2O7)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O GraftoniteFe2+Fe22+(PO4)2
O Heterosite(Fe3+,Mn3+)PO4
O Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SarcopsideFe32+(PO4)2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O ScoroditeFe3+AsO4 · 2H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O TriphyliteLiFe2+PO4
O UraniniteUO2
O VivianiteFe2+Fe22+(PO4)2 · 8H2O
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
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 MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si BertranditeBe4(Si2O7)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P GraftoniteFe2+Fe22+(PO4)2
P Heterosite(Fe3+,Mn3+)PO4
P Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P SarcopsideFe32+(PO4)2
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P TriphyliteLiFe2+PO4
P VivianiteFe2+Fe22+(PO4)2 · 8H2O
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mn Heterosite(Fe3+,Mn3+)PO4
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe GraftoniteFe2+Fe22+(PO4)2
Fe Heterosite(Fe3+,Mn3+)PO4
Fe LöllingiteFeAs2
Fe SarcopsideFe32+(PO4)2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe ScoroditeFe3+AsO4 · 2H2O
Fe TriphyliteLiFe2+PO4
Fe VivianiteFe2+Fe22+(PO4)2 · 8H2O
CuCopper
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
AsArsenic
As LöllingiteFeAs2
As ScoroditeFe3+AsO4 · 2H2O
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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