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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Girasol from
Fougères, Fougères-Vitré, Ille-et-Vilaine, Brittany, France


Locality type:Commune
Classification
Species:Opal var: Girasol
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Girasol data
Locality Data:Click here to view Fougères, Fougères-Vitré, Ille-et-Vilaine, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:1067600
Long-form Identifier:1:3:1067600:6
GUID (UUID V4):0
References
Lukas, Yann (1978) Roches et minéraux de Bretagne. Ouest France. p.1-33.pp.18-19 - + p.16
 
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