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
Shirey Prospect No. 2, Clay County, Alabama, 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 Shirey Prospect No. 2, Clay County, Alabama, USA
Data Identifiers
Mindat Occurrence Record ID:958741
Long-form Identifier:1:3:958741:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
27.6km (17.1 miles) ⓘJ. J. Smith No. 2 prospect, Clay County, Alabama, USA
28.1km (17.5 miles) ⓘJones-Bunn prospect, Clay County, Alabama, USA
33.6km (20.9 miles) ⓘM&G Mine, Clay County, Alabama, USA
34.2km (21.3 miles) ⓘFour Pits prospect, Clay County, Alabama, USA
34.3km (21.3 miles) ⓘLett No. 1 and 2 Prospects, Clay County, Alabama, USA
35.9km (22.3 miles) ⓘBob Lee No. 2 Mine, Clay County, Alabama, USA
36.2km (22.5 miles) ⓘArnott Road Prospect, Randolph County, Alabama, USA
36.7km (22.8 miles) ⓘTrommell No. 2 Prospects, Randolph County, Alabama, USA
37.2km (23.1 miles) ⓘEast Indian Prospect, Randolph County, Alabama, USA
37.4km (23.3 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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