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
Yarborough-Smith-Neighbor Prospect, Lee 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 Yarborough-Smith-Neighbor Prospect, Lee County, Alabama, USA
Data Identifiers
Mindat Occurrence Record ID:959031
Long-form Identifier:1:3:959031:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.5km (5.3 miles) ⓘT. H. Clower Prospect, Lee County, Alabama, USA
35.4km (22.0 miles) ⓘKidd Mine (B. E. Kidd Jr. Mine), Tallapoosa County, Alabama, USA
38.2km (23.7 miles) ⓘWest Point dam, Chambers County, Alabama, USA
44.6km (27.7 miles) ⓘWord prospect (W. Hugh Allen property), Troup County, Georgia, USA
45.6km (28.3 miles) ⓘOliver Dam site, Columbus, Muscogee County, Georgia, USA
49.9km (31.0 miles) ⓘMinerals Processing Company Mine No. 8 (Hogg Estate Mine), LaGrange, Troup County, Georgia, USA
51.1km (31.8 miles) ⓘHogg Mine (Oxford Mine), Smiths Crossroad, Troup County, Georgia, USA
81.1km (50.4 miles) ⓘSnelson Mine, Meriwether County, Georgia, USA
85.4km (53.1 miles) ⓘLett No. 1 and 2 Prospects, Clay County, Alabama, USA
85.5km (53.1 miles) ⓘFour Pits prospect, Clay 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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