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
Daqinggou Mo deposit, Luanchuan County, Luoyang, Henan, China


Locality type:Deposit
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 Daqinggou Mo deposit, Luanchuan County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:734458
Long-form Identifier:1:3:734458:9
GUID (UUID V4):0
References
Li Xin, Dou Ruiyue, Liu Shenfen, and Wang Xinyu (2008): Resources Environment & Engineering 22(3), 310-315
 
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