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Carolina Mineral Company No. 20 Mine (Old 20 Mine), Crabtree Creek, Yancey County, North Carolina, USAi
Regional Level Types
Carolina Mineral Company No. 20 Mine (Old 20 Mine)Mine
Crabtree CreekCreek
Yancey CountyCounty
North CarolinaState
USACountry

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PhotosMapsSearchMineralogy
03385770017272042272465.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
00557230017272034388213.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
03976090017272042286033.jpg
Clinothulite

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
03385770017272042272465.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
00557230017272034388213.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
04952300017272034033773.jpg
Clinothulite

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
05284260017272042336506.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
00557230017272034388213.jpg
Uraninite, etc.

Carolina Mineral Company No. 20 Mine, Crabtree Creek, Yancey County, North Carolina, USA
Latitude & Longitude (WGS84):
35° 52' 17'' North , 82° 9' 20'' West
Latitude & Longitude (decimal):
35.87139,-82.15556
GRN:
N24W48
Type:
Mine
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Spruce Pine2,134 (2017)9.5km
Burnsville1,660 (2017)14.1km
Bakersville452 (2017)16.0km
Marion7,861 (2017)24.7km
Crossnore192 (2017)26.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mountain Area Gem and Mineral Association (MAGMA)Asheville, North Carolina47km
Southern Appalachian Mineral SocietyAsheville, North Carolina47km
Mindat Locality ID:
17202
Long-form identifier:
mindat:1:2:17202:7
GUID (UUID V4):
0


Granite pegmatite. A feldspar-mica mine located 5 miles SW of Spruce Pine on the West side of state route 1002 (road to Little Switzerland).

Commodities (Major) - Feldspar, Mica
Development Status: Past Producer
Structure: Pegmatite Is Partly Concordant With The Foliation Of The Enclosing Country Rock
Host Rock: Mica Schist

Granite pegmatite. A feldspar-mica mine located 5 miles SW of Spruce Pine on the West side of state route 1002 (road to Little Switzerland).

Commodities (Major) - Feldspar, Mica
Development Status: Past Producer
Structure: Pegmatite Is Partly Concordant With The Foliation Of The Enclosing Country Rock
Host Rock: Mica Schist

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


15 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Clarkeite
Formula: (Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Clinozoisite var. Clinothulite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
Habit: Not observed, massive
Colour: black
Fluorescence: none
Description: See further under euxenite-Y. In the 1980's I was on a re-scraped portion of an old unpaved mine road access to this mine, and I found on the road a chunk of pegmatite about six inches across that had splotches and streaks of sub-metallic black columbiteSee further under euxenite-Y. In the 1980's I was on a re-scraped portion of an old unpaved mine road access to this mine, and I found on the road a chunk of pegmatite about six inches across that had splotches and streaks of sub-metallic black columbite
ⓘ Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Habit: Thin steel-color veinlets cutting darker columbite.
Colour: Metallic steel-grey
Fluorescence: None
Description: I witnessed Mr. Green showing me a personal find from this locality he made in the 1950's or 60's. It was a two inch crystalline mass of columbite with straight steel-colored veinlets cutting across it. He said these were confirmed to be euxenite. This
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Gummite'
ⓘ 'K Feldspar'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8
ⓘ Siderite
Formula: FeCO3
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ Uraninite
Formula: UO2
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]
ⓘ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
ⓘEuxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘUraninite4.DL.05UO2
ⓘClarkeite4.GC.05(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘvar. Clinothulite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
ⓘZoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Gummite'-
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Clinozoisite var. Clinothulite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
CCarbon
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ OpalSiO2 · nH2O
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ SideriteFeCO3
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ UraniniteUO2
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Clinozoisite var. Clinothulite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
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ⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Clinozoisite var. Clinothulite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ OpalSiO2 · nH2O
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siⓘ ZirconZr(SiO4)
Siⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Clinozoisite var. Clinothulite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Pⓘ ApatiteCa5(PO4)3A
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Caⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Clinozoisite var. Clinothulite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
MnManganese
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
Feⓘ SideriteFeCO3
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
CuCopper
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
YYttrium
Yⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Yⓘ Samarskite-(Y)YFe3+Nb2O8
ZrZirconium
Zrⓘ ZirconZr(SiO4)
Zrⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nbⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
CeCerium
Ceⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Taⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
PbLead
Pbⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
ThThorium
Thⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
Uⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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

Smithsonian Institution Mineral Reference Collection No.C5584-00 (Uraninite).
Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper 577. US Geological Survey doi:10.3133/pp577
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