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
Tustin 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 Tustin Mine, Jackson County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:872353
Long-form Identifier:1:3:872353:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.4km (0.9 miles) ⓘPainter Mine, Jackson County, North Carolina, USA
2.0km (1.2 miles) ⓘRoss Property, Jackson County, North Carolina, USA
3.1km (1.9 miles) ⓘSally Reed Mine, Jackson County, North Carolina, USA
4.1km (2.6 miles) ⓘMoss Mine, Jackson County, North Carolina, USA
4.7km (2.9 miles) ⓘHall Mine, Jackson County, North Carolina, USA
5.7km (3.5 miles) ⓘCoward Mine, Jackson County, North Carolina, USA
5.9km (3.7 miles) ⓘPotato Cove Mine, Jackson County, North Carolina, USA
6.0km (3.7 miles) ⓘSugarloaf Creek Mine, Jackson County, North Carolina, USA
6.4km (4.0 miles) ⓘJohn Long No. 2 Mine, Jackson County, North Carolina, USA
7.3km (4.6 miles) ⓘDr. Nichols Mine, Jackson 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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