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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George Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USAi
Regional Level Types
George Elliot Quarry (North Rumford Mica Quarry)Quarry
RumfordTown
Oxford CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
44° 30' 58'' North , 70° 42' 12'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Hanover261 (2017)2.3km
Newry358 (2017)7.4km
Milton128 (2010)8.6km
Rumford4,218 (2017)12.8km
Mexico1,743 (2017)13.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Oxford County Mineral and Gem AssociationBethel, Maine36km
Mindat Locality ID:
6290
Long-form identifier:
mindat:1:2:6290:2
GUID (UUID V4):
0


Oxford pegmatite field.
Dimmock Mt.

Mount Dimmock's summit is located in the neighboring town of Hanover.
Coordinates are provisionally set to Mount Dimmock.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


9 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
Beryl var. Heliodor ?
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'
Fluorapatite
Formula: Ca5(PO4)3F
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Schorl ?
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Siderite
Formula: FeCO3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Beryl
var. Aquamarine ?
9.CJ.05Be3Al2Si6O18
9.CJ.05Be3Al2(Si6O18)
var. Heliodor ?9.CJ.05Be3Al2(Si6O18)
Schorl ?9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
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
'Feldspar Group'-
'var. Perthite'-

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 MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be Beryl var. AquamarineBe3Al2Si6O18
Be BerylBe3Al2(Si6O18)
Be Beryl var. HeliodorBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C SideriteFeCO3
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 FluorapatiteCa5(PO4)3F
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O SideriteFeCO3
O Beryl var. HeliodorBe3Al2(Si6O18)
O Albite var. CleavelanditeNa(AlSi3O8)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
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 MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al Beryl var. HeliodorBe3Al2(Si6O18)
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 MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si Beryl var. HeliodorBe3Al2(Si6O18)
Si Albite var. CleavelanditeNa(AlSi3O8)
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe PyriteFeS2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe SideriteFeCO3

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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