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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Guanine from
Rosillo cave, Limestone caves, Cuatro Ciénegas, Cuatro Ciénegas Municipality, Coahuila, Mexico


Locality type:Cave
Classification
Species:Guanine
Formula:C5H5N5O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Guanine data
Locality Data:Click here to view Rosillo cave, Limestone caves, Cuatro Ciénegas, Cuatro Ciénegas Municipality, Coahuila, Mexico
Data Identifiers
Mindat Occurrence Record ID:647911
Long-form Identifier:1:3:647911:4
GUID (UUID V4):0
References
Forti, P. et al. (2006): ACTA CARSOLOGICA 35/1, 79–98. [http://carsologica.zrc-sazu.si/downloads/351/forti.pdf]
 
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