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
Hendersonville Quarry, Henderson County, North 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 Hendersonville Quarry, Henderson County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:1330464
Long-form Identifier:1:3:1330464:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.0km (1.9 miles) ⓘUnnamed Crushed Stone Quarry [2], Henderson County, North Carolina, USA
10.2km (6.3 miles) ⓘUnnamed Crushed Stone Quarry [1], Henderson County, North Carolina, USA
11.6km (7.2 miles) ⓘChrist School Quarry, Buncombe County, North Carolina, USA
17.7km (11.0 miles) ⓘUnnamed Marble occurrence [1], Polk County, North Carolina, USA
30.3km (18.9 miles) ⓘBlack Mountain prospect, Black Mountain, Buncombe County, North Carolina, USA
31.0km (19.3 miles) ⓘYoungs Mountain deposit, Rutherford County, North Carolina, USA
36.2km (22.5 miles) ⓘKay Mine, Rutherford County, North Carolina, USA
37.6km (23.4 miles) ⓘShining Rock prospect, Haywood County, North Carolina, USA
40.1km (24.9 miles) ⓘWoods Creek Sapphire Mine (Wood Creek), Canton, Haywood County, North Carolina, USA
40.4km (25.1 miles) ⓘPressley Sapphire Mine, Canton, Haywood County, North Carolina, USA
References
Carolina Geological Society Annual Field Trip October 19-20 ,2002
Scott D. Giorgis.,Russell W. Mapes.,and Bredan R.Bream (2002) The Walker Top Granite : Acadian granitoid or eastern Inner Piedmont basement ?
 
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