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
Pitts No. 1 Mine, Weathers 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 Pitts No. 1 Mine, Weathers Mine, Clay County, Alabama, USA
Data Identifiers
Mindat Occurrence Record ID:958751
Long-form Identifier:1:3:958751:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.9km (5.5 miles) ⓘBob Lee No. 2 Mine, Clay County, Alabama, USA
17.1km (10.6 miles) ⓘLett No. 1 and 2 Prospects, Clay County, Alabama, USA
17.2km (10.7 miles) ⓘFour Pits prospect, Clay County, Alabama, USA
18.0km (11.2 miles) ⓘM&G Mine, Clay County, Alabama, USA
28.8km (17.9 miles) ⓘJones-Bunn prospect, Clay County, Alabama, USA
31.9km (19.8 miles) ⓘJ. J. Smith No. 2 prospect, Clay County, Alabama, USA
37.2km (23.1 miles) ⓘPearce Lenless Nos. 2; 3 & 4 Prospects, Randolph County, Alabama, USA
40.9km (25.4 miles) ⓘShirey Prospect No. 2, Clay County, Alabama, USA
42.6km (26.5 miles) ⓘArnott Road Prospect, Randolph County, Alabama, USA
43.5km (27.0 miles) ⓘTrommell No. 2 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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