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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Aragonite from
Unnamed Aragonite occurrence [1], Bear Valley District, San Bernardino County, California, USA


Locality type:Occurrence
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Unnamed Aragonite occurrence [1], Bear Valley District, San Bernardino County, California, USA
Data Identifiers
Mindat Occurrence Record ID:649237
Long-form Identifier:1:3:649237:3
GUID (UUID V4):0
References
Berkholz, Mary Frances (1961), Aragonite in Holcomb Valley: Gems and Minerals, No. 287 (Aug 1961): 14-16
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 82.
 
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