Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Quartz from
La Fortuna Mine, El Antimonio, Caborca Municipality, Sonora, Mexico


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Stibiconite1
Byströmite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view La Fortuna Mine, El Antimonio, Caborca Municipality, Sonora, Mexico
Data Identifiers
Mindat Occurrence Record ID:65519
Long-form Identifier:1:3:65519:2
GUID (UUID V4):0
References
White, Donald Edward; Guiza, Reinaldo Jr. (1949) Antimony deposits of El Antimonio district, Sonora, Mexico. Bulletin 962-B. US Geological Survey 119pp. doi:10.3133/b962b
 
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