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 from
Castelo da Ribeira das Caldeiras Mine, Sardoal, Sardoal, Santarém, Portugal


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Castelo da Ribeira das Caldeiras Mine, Sardoal, Sardoal, Santarém, Portugal
Data Identifiers
Mindat Occurrence Record ID:841350
Long-form Identifier:1:3:841350:5
GUID (UUID V4):0
References
Nunes, Rui (n.d.) Personal communication.
 
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