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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Biotite from
Woody's Ridge Mine, Celo, Yancey County, North Carolina, USA


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Woody's Ridge Mine, Celo, Yancey County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:870187
Long-form Identifier:1:3:870187:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.5km (1.0 miles) ⓘCelo Mine (Mas-Celo), Celo, Yancey County, North Carolina, USA
1.9km (1.2 miles) ⓘHouse Rock Prospect, South Toe River, Yancey County, North Carolina, USA
2.1km (1.3 miles) ⓘCreson Mine, Celo, Yancey County, North Carolina, USA
2.2km (1.4 miles) ⓘSilvers Mine, Celo, Yancey County, North Carolina, USA
2.3km (1.4 miles) ⓘJoe Young Mine, South Toe River, Yancey County, North Carolina, USA
2.4km (1.5 miles) ⓘKlondike Prospect, South Toe River, Yancey County, North Carolina, USA
2.7km (1.7 miles) ⓘLocust Ridge Mine (Sid Critts Mine), South Toe River, Yancey County, North Carolina, USA
3.0km (1.9 miles) ⓘElmyra Gibbs Mine, Celo, Yancey County, North Carolina, USA
3.1km (2.0 miles) ⓘDink Rock Mine, Celo, Yancey County, North Carolina, USA
3.4km (2.1 miles) ⓘHenry Grindstaff No. 3 Mine, Celo, Yancey County, North Carolina, USA
References
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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