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 Seguro, La Bajada Mining District, Santa Fe County, New Mexico, USA


Locality type:Mountain
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 Seguro, La Bajada Mining District, Santa Fe County, New Mexico, USA
Data Identifiers
Mindat Occurrence Record ID:236843
Long-form Identifier:1:3:236843:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.1km (1.9 miles) ⓘCienguilla, La Bajada Mining District, Santa Fe County, New Mexico, USA
30.0km (18.6 miles) ⓘLucas Mine (Old Reliable Mine; Pat Collins Mine), Old Placers District, Santa Fe County, New Mexico, USA
36.9km (22.9 miles) ⓘSan Pedro Mine, New Placers District, Santa Fe County, New Mexico, USA
47.3km (29.4 miles) ⓘPecos Mine (Hamilton Mine; Cowles Mine), Willow Creek District, San Miguel County, New Mexico, USA
58.7km (36.5 miles) ⓘSparks-Stone pegmatite, Elk Mountain Mining District, San Miguel County, New Mexico, USA
66.1km (41.1 miles) ⓘAzure-Rising Sun mine, Hadley, San Miguel County, New Mexico, USA
72.3km (44.9 miles) ⓘGood Hope mine, San Miguel County, New Mexico, USA
75.3km (46.8 miles) ⓘIceberg claim (Iceberg lode claim), Trampas, Picuris District, Taos County, New Mexico, USA
75.8km (47.1 miles) ⓘHarding Mine, Picuris District, Taos County, New Mexico, USA
76.6km (47.6 miles) ⓘUnnamed arroyo, Rio Arriba 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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