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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Iron-bearing Calcite from
Kalkfeld Complex, Kalkfeld, Otjiwarongo Constituency, Otjozondjupa Region, Namibia


Locality type:Complex
Classification
Species:Calcite var: Iron-bearing Calcite
Formula:(Ca,Fe)CO3
Comments:Solid microinclusions in quartz crystals of the quartzite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Iron-bearing Calcite data
Locality Data:Click here to view Kalkfeld Complex, Kalkfeld, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:321348
Long-form Identifier:1:3:321348:3
GUID (UUID V4):0
References
Geochimica et Cosmochimica Acta (1999), 63, 3781-3797
 
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