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Biotite from
Copperhill Mine (Eureka Mine; Isabella Mine), Copperhill, Polk County, Tennessee, 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:Confirmed
Confirmation Methods:Dealer/Collection Label
Associated Minerals Based on Photo Data:
Almandine3
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Copperhill Mine (Eureka Mine; Isabella Mine), Copperhill, Polk County, Tennessee, USA
Data Identifiers
Mindat Occurrence Record ID:684142
Long-form Identifier:1:3:684142:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.7km (1.0 miles) ⓘBoyd Mine (Culchote vein), Ducktown, Polk County, Tennessee, USA
2.6km (1.6 miles) ⓘCalloway Mine, Polk County, Tennessee, USA
3.4km (2.1 miles) ⓘPolk County Mine (Mary-Polk County ore body; Tennessee Copper Company; Old Polk County; Cities Service Company), Polk County, Tennessee, USA
4.0km (2.5 miles) ⓘCherokee Mine (School property; Old Tennessee Mine), Copperhill, Polk County, Tennessee, USA
5.1km (3.2 miles) ⓘNumber Twenty Copper Mine, Mineral Bluff, Fannin County, Georgia, USA
18.3km (11.3 miles) ⓘMount Pisgah prospect (Higdon prospect), Pisgah Mountain, Fannin County, Georgia, USA
65.4km (40.6 miles) ⓘYahoola Mine, Dahlonega, Lumpkin County, Georgia, USA
69.2km (43.0 miles) ⓘRich Knob prospect, Rich Knob, Towns County, Georgia, USA
69.6km (43.3 miles) ⓘChestatee Mine, Dahlonega, Lumpkin County, Georgia, USA
69.9km (43.5 miles) ⓘReynolds Mine, Marblehill, Pickens County, Georgia, USA
References
Thames Valley Minerals
 
and/or  
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