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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Marcasite from
Santa Gertrudis Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Santa Gertrudis Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Data Identifiers
Mindat Occurrence Record ID:120337
Long-form Identifier:1:3:120337:0
GUID (UUID V4):0
Nearest other occurrences of Marcasite
0.0km (0.0 miles) ⓘSecho Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
0.0km (0.0 miles) ⓘSan Eligio Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
0.0km (0.0 miles) ⓘLa Sirena Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
2.2km (1.4 miles) ⓘGuanajuato, Guanajuato Municipality, Guanajuato, Mexico
3.7km (2.3 miles) ⓘCata Mine (De Cata Mine), Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
4.5km (2.8 miles) ⓘValenciana Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
References
Panczner, William D. (1987) Minerals of Mexico. Van Nostrand Reinhold Company Inc. 459 pp.p.264
 
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