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
Black Mine, Plumtree, Avery 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 Black Mine, Plumtree, Avery County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:423302
Long-form Identifier:1:3:423302:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.6km (0.4 miles) ⓘPeru Mica Mine, Plumtree, Avery County, North Carolina, USA
1.4km (0.9 miles) ⓘLick Log Mine, Avery County, North Carolina, USA
1.6km (1.0 miles) ⓘBeech Bottom Feldspar Mine (Jackson Mine), Plumtree, Avery County, North Carolina, USA
1.8km (1.1 miles) ⓘMarie Mine, Avery County, North Carolina, USA
1.8km (1.1 miles) ⓘMeadow Mine, Avery County, North Carolina, USA
1.9km (1.2 miles) ⓘPuncheon Camp Mine, Plumtree, Avery County, North Carolina, USA
1.9km (1.2 miles) ⓘGeorge Burleson Mine, Plumtree, Avery County, North Carolina, USA
2.1km (1.3 miles) ⓘLittle Elk Mine, Avery County, North Carolina, USA
2.3km (1.5 miles) ⓘBobby Hughes Prospect, Plumtree, Avery County, North Carolina, USA
2.6km (1.6 miles) ⓘA Mine, Avery County, North Carolina, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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