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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Matildite from
Cuesta de la Plata Mine (Mónica Mine; Indiana Mine), Bustarviejo, Community of Madrid, Spain


Locality type:Mine
Classification
Species:Matildite
Formula:AgBiS2
Habit:Massif
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Matildite data
Locality Data:Click here to view Cuesta de la Plata Mine (Mónica Mine; Indiana Mine), Bustarviejo, Community of Madrid, Spain
Data Identifiers
Mindat Occurrence Record ID:293786
Long-form Identifier:1:3:293786:1
GUID (UUID V4):0
References
Jimenez R., Joda L., Jorda R., Prado P. (2004) - Madrid: la mineria metallica desde 1417 hasta nuestros dias. Bocamina, n°14, pp: 52-89.
 
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