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Sinkhole Mine, Bandana, Mitchell Co., North Carolina, USAi
Regional Level Types
Sinkhole MineMine
Bandana- not defined -
Mitchell Co.County
North CarolinaState
USACountry

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Key
Latitude & Longitude (WGS84):
35° 58' North , 82° 10' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Bakersville452 (2017)5.5km
Spruce Pine2,134 (2017)10.8km
Burnsville1,660 (2017)13.3km
Crossnore192 (2017)22.2km
Newland686 (2017)25.4km


Granite pegmatite that has been mined since ancient times. Located at Bandana, near Micaville. First prospected by Native Americans for the mica which was used as ornamental items, the mine closed in the 1960s.
The mine produced high grade "ruby" sheet muscovite.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: cw Allen collection
'Albite-Anorthite Series'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Almandine
Formula: Fe2+3Al2(SiO4)3
Description: pegmatite, some pre-historic workings
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Description: pegmatite, some pre-historic workings
Reference: C.W. Allen collection, Lesure,Frank G.,(1968)Mica Deposits of the Blue Ridge in North Carolina ;USGS Professional Paper 577
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: various added photos
Clinozoisite var: Clinothulite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: various added photos
'Feldspar Group'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Feldspar Group var: Perthite'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Fluorapatite
Formula: Ca5(PO4)3F
Fluorescence: Bright Yellow in Shortwave
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
'Hornblende'
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577
Kyanite
Formula: Al2(SiO4)O
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
Microcline
Formula: K(AlSi3O8)
Reference: cw Allen collection
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
'Moonstone'
Reference: Richard James Jacquot,Jr,2003,Rock,Gem,and Mineral Collecting Sites In Western North Carolina, pg # 46
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: pegmatite, some pre-historic workings
Reference: Michael Streeter.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains:pp.82-83
Orthoclase
Formula: K(AlSi3O8)
Reference: www.geology.enr.state.nc.us/proj_earth/feldspar_data.html (Feldspar-North Carolina Geological Survey
Pyrolusite
Formula: Mn4+O2
Reference: cw Allen collection
Quartz
Formula: SiO2
Reference: www.geology.enr.state.nc.us/proj_earth/feldspar_data.html ( Feldspar-North Carolina Geological Survey)
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Pyrolusite ?4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
var: Clinothulite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Kyanite9.AF.15Al2(SiO4)O
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
'Moonstone'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Pyrolusite ?4.4.1.4Mn4+O2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Clinozoisite
var: Clinothulite
-{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
Microcline
var: Amazonite
-K(AlSi3O8)
'Moonstone'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H ApatiteCa5(PO4)3(Cl/F/OH)
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O FluorapatiteCa5(PO4)3F
O AlmandineFe32+Al2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O QuartzSiO2
O AlbiteNa(AlSi3O8)
O MicroclineK(AlSi3O8)
O KyaniteAl2(SiO4)O
O Microcline (var: Amazonite)K(AlSi3O8)
O Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O OrthoclaseK(AlSi3O8)
O Garnet GroupX3Z2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O PyrolusiteMn4+O2
FFluorine
F FluorapatiteCa5(PO4)3F
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al AlbiteNa(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al KyaniteAl2(SiO4)O
Al Microcline (var: Amazonite)K(AlSi3O8)
Al Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al OrthoclaseK(AlSi3O8)
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si MicroclineK(AlSi3O8)
Si KyaniteAl2(SiO4)O
Si Microcline (var: Amazonite)K(AlSi3O8)
Si Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si OrthoclaseK(AlSi3O8)
Si Garnet GroupX3Z2(SiO4)3
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
PPhosphorus
P FluorapatiteCa5(PO4)3F
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K Microcline (var: Amazonite)K(AlSi3O8)
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca Clinozoisite (var: Clinothulite){Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
OLSON, J. C. (1944), NC DEPT OF CONS & DEVEL BULL 43: 54-55.
Rocks & Minerals (1995): 60: 66.
Jacquot, Jr., Richard James (2003), Rock, Gem, and Mineral Collecting Sites In Western North Carolina: 46.
Streeter, Michael (2003), A Rockhounding Guide to North Carolinas Blue Ridge Mountains: 82-83.

External Links

www.geology.enr.state.nc.us/proj_earth/feldspar_data.html (Feldspar-North Carolina Geological Survey)

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North America PlateTectonic Plate

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