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
Bob Lee No. 2 Mine, Clay County, Alabama, 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 Bob Lee No. 2 Mine, Clay County, Alabama, USA
Data Identifiers
Mindat Occurrence Record ID:958726
Long-form Identifier:1:3:958726:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.3km (5.1 miles) ⓘLett No. 1 and 2 Prospects, Clay County, Alabama, USA
8.4km (5.2 miles) ⓘFour Pits prospect, Clay County, Alabama, USA
8.9km (5.5 miles) ⓘPitts No. 1 Mine, Weathers Mine, Clay County, Alabama, USA
9.2km (5.7 miles) ⓘM&G Mine, Clay County, Alabama, USA
20.0km (12.5 miles) ⓘJones-Bunn prospect, Clay County, Alabama, USA
23.1km (14.4 miles) ⓘJ. J. Smith No. 2 prospect, Clay County, Alabama, USA
28.4km (17.7 miles) ⓘPearce Lenless Nos. 2; 3 & 4 Prospects, Randolph County, Alabama, USA
33.7km (21.0 miles) ⓘArnott Road Prospect, Randolph County, Alabama, USA
34.6km (21.5 miles) ⓘTrommell No. 2 Prospects, Randolph County, Alabama, USA
35.1km (21.8 miles) ⓘClouse prospects, Randolph County, Alabama, USA
References
Heinrich, E.W., Olson, J.C. (1953) Mica deposits of the southeastern Piedmont, Part 11, Alabama district. Professional Paper 248g. US Geological Survey doi:10.3133/pp248g
 
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