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Frank Perham prospect, Rumford, Oxford County, Maine, USAi
Regional Level Types
Frank Perham prospectProspect
RumfordTown
Oxford CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
44° 32' 47'' North , 70° 43' 15'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Hanover261 (2017)5.9km
Newry358 (2017)8.4km
Andover898 (2017)10.2km
Milton128 (2010)12.2km
Rumford4,218 (2017)13.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Oxford County Mineral and Gem AssociationBethel, Maine39km
Mindat Locality ID:
6286
Long-form identifier:
mindat:1:2:6286:5
GUID (UUID V4):
0


Oxford pegmatite field.
Hall's Ridge, Plumbago-Puzzle Mountain.
Granite pegmatite.

Originally a prospect for feldspar, but shown to be uneconomic. Later explored by Summit Exploration Company (2006) with similar results. The pegmatite appears increasingly sheared and granulated towards the northwest near the Plumbago Mountain Fault separating Halls Ridge from Plumbago Mountain itself. Howe Brook follows the northeastern trace of the Plumbago Mountain Fault. The locality has been erroneously cited as being in Newry, but it is actually located just across the town line in Rumford.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 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
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Beryl ?
Formula: Be3Al2(Si6O18)
Columbite-(Fe)
Formula: Fe2+Nb2O6
Fluorapatite
Formula: Ca5(PO4)3F
Fluorapatite var. Carbonate-rich Fluorapatite ?
Formula: Ca5(PO4,CO3)3(F,O)
Heterosite
Formula: Fe3+(PO4)
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Spodumene
Formula: LiAlSi2O6
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
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Uraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Heterosite8.AB.10Fe3+(PO4)
Triphylite8.AB.10LiFe2+PO4
Fluorapatite
var. Carbonate-rich Fluorapatite ?
8.BN.05Ca5(PO4,CO3)3(F,O)
8.BN.05Ca5(PO4)3F
Vivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Beryl ?9.CJ.05Be3Al2(Si6O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Spodumene9.DA.30LiAlSi2O6
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 AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
H VivianiteFe2+Fe22+(PO4)2 · 8H2O
LiLithium
Li SpodumeneLiAlSi2O6
Li TriphyliteLiFe2+PO4
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
OOxygen
O AlbiteNa(AlSi3O8)
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O AlmandineFe32+Al2(SiO4)3
O BerylBe3Al2(Si6O18)
O Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
O Columbite-(Fe)Fe2+Nb2O6
O FluorapatiteCa5(PO4)3F
O HeterositeFe3+(PO4)
O Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O SpodumeneLiAlSi2O6
O TriphyliteLiFe2+PO4
O UraniniteUO2
O VivianiteFe2+Fe22+(PO4)2 · 8H2O
O Albite var. CleavelanditeNa(AlSi3O8)
FFluorine
F Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
F FluorapatiteCa5(PO4)3F
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 SpodumeneLiAlSi2O6
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 SpodumeneLiAlSi2O6
Si Albite var. CleavelanditeNa(AlSi3O8)
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
P FluorapatiteCa5(PO4)3F
P HeterositeFe3+(PO4)
P Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
P TriphyliteLiFe2+PO4
P VivianiteFe2+Fe22+(PO4)2 · 8H2O
SSulfur
S PyriteFeS2
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Ca FluorapatiteCa5(PO4)3F
Ca Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe Columbite-(Fe)Fe2+Nb2O6
Fe HeterositeFe3+(PO4)
Fe PyriteFeS2
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Fe TriphyliteLiFe2+PO4
Fe VivianiteFe2+Fe22+(PO4)2 · 8H2O
NbNiobium
Nb Columbite-(Fe)Fe2+Nb2O6
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
U UraniniteUO2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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