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
Kolb Mine, Jackson County, North Carolina, 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 Kolb Mine, Jackson County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:871780
Long-form Identifier:1:3:871780:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.9km (0.6 miles) ⓘZoom Mine, Macon County, North Carolina, USA
0.9km (0.6 miles) ⓘCollins Mine, Jackson County, North Carolina, USA
1.3km (0.8 miles) ⓘMel Angel Mine, Macon County, North Carolina, USA
1.3km (0.8 miles) ⓘA Mine, Macon County, North Carolina, USA
1.3km (0.8 miles) ⓘRocky Face Mine, Macon County, North Carolina, USA
1.7km (1.0 miles) ⓘBettys Creek Mine, Jackson County, North Carolina, USA
1.7km (1.0 miles) ⓘBuzzard Roost Mine (Coward Mountain Mine), Jackson County, North Carolina, USA
1.7km (1.0 miles) ⓘJ. Radeker Mine, Jackson County, North Carolina, USA
2.8km (1.7 miles) ⓘMay Mine, Macon County, North Carolina, USA
3.0km (1.8 miles) ⓘBeasley No. 1 Mine, Macon County, North Carolina, USA
References
Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper 577. US Geological Survey doi:10.3133/pp577
 
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