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
McCollum Quarry, Newman, Coweta County, Georgia, USA


Locality type:Quarry
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 McCollum Quarry, Newman, Coweta County, Georgia, USA
Data Identifiers
Mindat Occurrence Record ID:1533303
Long-form Identifier:1:3:1533303:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
25.2km (15.6 miles) ⓘRed Oak Quarry, Red Oak, Fulton County, Georgia, USA
39.2km (24.4 miles) ⓘVilla Rica Mine (Sulfur Mining & Railroad Company Pyrite Mine), Villa Rica, Douglas County, Georgia, USA
42.6km (26.4 miles) ⓘReeds Mountain, No. 3, Carroll County, Georgia, USA
49.4km (30.7 miles) ⓘReeds Mountain Pyrite Mine, Reeds Mountain, Bremen, Haralson County, Georgia, USA
49.5km (30.7 miles) ⓘI-85 roadcut, Fulton County, Georgia, USA
50.1km (31.1 miles) ⓘC. H. Miller Deposit, Paulding County, Georgia, USA
51.6km (32.0 miles) ⓘMarietta Mine, Marietta, Cobb County, Georgia, USA
53.0km (33.0 miles) ⓘSnelson Mine, Meriwether County, Georgia, USA
59.8km (37.1 miles) ⓘLithonia Post Office, DeKalb County, Georgia, USA
60.6km (37.7 miles) ⓘJack Bell Prospect, Rockdale County, Georgia, USA
References
91-94.
Watson, Thomas L. (1902) A Preliminary Report on a Part of the Granites and Gneisses of Georgia. Bulletin 9-A. Geological Survey of Georgia
 
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