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
Entrekin Quarry, Laurens County, South Carolina, 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 Entrekin Quarry, Laurens County, South Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:1358958
Long-form Identifier:1:3:1358958:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.9km (6.1 miles) ⓘCharles Waldrep, Laurens County, South Carolina, USA
10.7km (6.7 miles) ⓘWright No. 1 and No. 2 Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
13.4km (8.3 miles) ⓘMason Donnan Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
13.5km (8.4 miles) ⓘNew W.D. Abercrombie Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
13.5km (8.4 miles) ⓘTommy Blakely Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
13.6km (8.4 miles) ⓘLois Abercrombie, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
14.0km (8.7 miles) ⓘPatterson No. 6 Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
14.1km (8.8 miles) ⓘCraig Mine, Enoree Vermiculite Mining District, Laurens County, South Carolina, USA
14.6km (9.0 miles) ⓘSumner Mine, Laurens County, South Carolina, USA
14.6km (9.1 miles) ⓘSumner Mine, Enoree Vermiculite Mining District, Spartanburg County, South Carolina, USA
References
Watson, Thomas Leonard (1910) Granites of the southeastern Atlantic States. Bulletin 426. US Geological Survey doi:10.3133/b426
 
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