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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Myrickite from
Tilton Ranch (California-Nevada Quicksilver Mining Company; Coyote), Coyote, Coyote Mining District, Santa Clara County, California, USA


Locality type:Ranch
Classification
Species:Quartz var: Myrickite
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Myrickite data
Locality Data:Click here to view Tilton Ranch (California-Nevada Quicksilver Mining Company; Coyote), Coyote, Coyote Mining District, Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:667128
Long-form Identifier:1:3:667128:0
GUID (UUID V4):0
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 318
 
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