Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Cocke Property Prospect (Cox Property), Gold-Pyrite Belt, Fluvanna County, Virginia, USA


Locality type:Prospect
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 Cocke Property Prospect (Cox Property), Gold-Pyrite Belt, Fluvanna County, Virginia, USA
Data Identifiers
Mindat Occurrence Record ID:343896
Long-form Identifier:1:3:343896:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.7km (2.9 miles) ⓘTellurium Vein, Scotia Mine (Perkins Mine), Gold-Pyrite Belt, Fluvanna County, Virginia, USA
9.4km (5.8 miles) ⓘMoss Mine, Tabscott, Gold-Pyrite Belt, Goochland County, Virginia, USA
10.2km (6.3 miles) ⓘSnead Mine, Gold-Pyrite Belt, Fluvanna County, Virginia, USA
18.3km (11.4 miles) ⓘMargaret Mine (Terrell Mine), New Canton, Gold-Pyrite Belt, Buckingham County, Virginia, USA
18.3km (11.4 miles) ⓘMcKenna Mine, New Canton, Gold-Pyrite Belt, Buckingham County, Virginia, USA
28.1km (17.5 miles) ⓘWalker Mine, Louisa County, Virginia, USA
33.1km (20.6 miles) ⓘArminius Mine, Mineral, Gold-Pyrite Belt, Louisa County, Virginia, USA
33.5km (20.8 miles) ⓘGreeley Mine (Aye's Mine; Ayres Mine), Gold-Pyrite Belt, Buckingham County, Virginia, USA
34.3km (21.3 miles) ⓘBoyd-Smith Mine (Groome Mine; Lennig Mine; Smith Mine), Mineral, Gold-Pyrite Belt, Louisa County, Virginia, USA
35.7km (22.2 miles) ⓘCofer prospect (Piedmont Mineral Associates prospect), Gold-Pyrite Belt, Louisa County, Virginia, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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