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
Gideon Mine, Enoree Vermiculite Mining District, Spartanburg County, South 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 Gideon Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:338348
Long-form Identifier:1:3:338348:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.0km (0.6 miles) ⓘWarren Dillard Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
1.1km (0.7 miles) ⓘYarbourough Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
1.2km (0.7 miles) ⓘDeshields No. 2 Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
2.4km (1.5 miles) ⓘHanna No. 5 Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
3.6km (2.2 miles) ⓘWhitmore Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
3.8km (2.4 miles) ⓘCanal Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
4.0km (2.5 miles) ⓘHarlan-Roper Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
4.0km (2.5 miles) ⓘPoole No. 7 Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
4.6km (2.9 miles) ⓘMartin Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
4.8km (3.0 miles) ⓘPatterson No. 2 Prospect, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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