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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Quartz-beta from
Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:'Quartz-beta' (not an IMA approved species)
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz-beta data
Locality Data:Click here to view Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:304934
Long-form Identifier:1:3:304934:1
GUID (UUID V4):0
References
Charoy, Bernard, Chaussidon, Marc, Noronha, Fernando (1995) Lithium zonation in white micas from the Argemela microgranite (central Portugal): an in-situ ion-, electron-microprobe and spectroscopic investigation. European Journal of Mineralogy, 7 (2) 335-352 doi:10.1127/ejm/7/2/0335
 
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