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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Chalcocite from
Black Bull Mine (Globe Mine), Warm Springs District (Gilt Edge District; Gold Hill District; Maiden District), Fergus County, Montana, USA


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Black Bull Mine (Globe Mine), Warm Springs District (Gilt Edge District; Gold Hill District; Maiden District), Fergus County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:496404
Long-form Identifier:1:3:496404:9
GUID (UUID V4):0
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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