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Brown Thurston prospect, Rumford, Oxford County, Maine, USAi
Regional Level Types
Brown Thurston prospectProspect
RumfordTown
Oxford CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
44° 35' 2'' North , 70° 38' 13'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Rumford4,218 (2017)7.6km
Mexico1,743 (2017)7.7km
Roxbury399 (2017)10.1km
Hanover261 (2017)10.7km
Andover898 (2017)10.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Oxford County Mineral and Gem AssociationBethel, Maine41km
Mindat Locality ID:
6300
Long-form identifier:
mindat:1:2:6300:8
GUID (UUID V4):
0


Oxford pegmatite field.
Black Mt., south ridge.
Granite pegmatite.

Coordinates have been provisionally set to Black Mountain.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

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. Goshenite
Formula: Be3Al2(Si6O18)
ⓘ Beryl var. Heliodor ?
Formula: Be3Al2(Si6O18)
ⓘ Cassiterite
Formula: SnO2
ⓘ Heterosite
Formula: Fe3+(PO4)
ⓘ Löllingite
Formula: FeAs2
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
✪ Purpurite
Formula: Mn3+(PO4)
Description: Moore (2000) analyzed lithiophilite from this locality and found the Mn/Mn + Fe ratio was 0.51 No primary lithiophilite remains at the locality.
ⓘ Quartz
Formula: SiO2
ⓘ Schorl ?
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

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
ⓘCassiterite4.DB.05SnO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHeterosite8.AB.10Fe3+(PO4)
ⓘPurpurite8.AB.10Mn3+(PO4)
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘvar. Heliodor ?9.CJ.05Be3Al2(Si6O18)
ⓘvar. Goshenite9.CJ.05Be3Al2(Si6O18)
ⓘSchorl ?9.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)

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Beⓘ Beryl var. GosheniteBe3Al2(Si6O18)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ CassiteriteSnO2
Oⓘ HeterositeFe3+(PO4)
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PurpuriteMn3+(PO4)
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Oⓘ Beryl var. GosheniteBe3Al2(Si6O18)
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Alⓘ Beryl var. GosheniteBe3Al2(Si6O18)
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Siⓘ Beryl var. GosheniteBe3Al2(Si6O18)
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
PPhosphorus
Pⓘ HeterositeFe3+(PO4)
Pⓘ PurpuriteMn3+(PO4)
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
MnManganese
Mnⓘ PurpuriteMn3+(PO4)
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ HeterositeFe3+(PO4)
Feⓘ LöllingiteFeAs2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AsArsenic
Asⓘ LöllingiteFeAs2
SnTin
Snⓘ CassiteriteSnO2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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