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
Cerro Colorado, Bernalillo County, New Mexico, USA


Locality type:Volcanic Cone
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 Cerro Colorado, Bernalillo County, New Mexico, USA
Data Identifiers
Mindat Occurrence Record ID:230366
Long-form Identifier:1:3:230366:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
67.7km (42.1 miles) ⓘSan Pedro Mine, New Placers District, Santa Fe County, New Mexico, USA
71.8km (44.6 miles) ⓘLucas Mine (Old Reliable Mine; Pat Collins Mine), Old Placers District, Santa Fe County, New Mexico, USA
91.8km (57.1 miles) ⓘCerro Seguro, La Bajada Mining District, Santa Fe County, New Mexico, USA
94.6km (58.8 miles) ⓘCienguilla, La Bajada Mining District, Santa Fe County, New Mexico, USA
97.8km (60.8 miles) ⓘLemitar Mountains, Lemitar Mountains Mining District, Socorro County, New Mexico, USA
References
Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM.
 
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