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
Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA


Locality type:Mine
Classification
Species:Aragonite
Formula:CaCO3
Comments:Occurs in veins as massive layers and large single crystals radiating into open centers of the veins.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Red Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
Data Identifiers
Mindat Occurrence Record ID:646648
Long-form Identifier:1:3:646648:0
GUID (UUID V4):0
Nearest other occurrences of Aragonite
4.1km (2.6 miles) ⓘAdobe Creek (Adobe Canyon), Black Wonder Mining District, Stanislaus County, California, USA
13.5km (8.4 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
43.7km (27.2 miles) ⓘNew Almaden Mining District, Santa Clara County, California, USA
44.2km (27.4 miles) ⓘPacheco Pass, Merced County, California, USA
71.4km (44.4 miles) ⓘPacific Cement and Aggregate Company quarry, Santa Cruz, Santa Cruz County, California, USA
References
western United States. Geochimica et Cosmochmica Acta: 35: 693
O'Neil, James R, Barnes, Ivan (1971) C13 and O18 compositions in some fresh-water carbonates associated with ultramafic rocks and serpentinites: western United States. Geochimica et Cosmochimica Acta, 35 (7) 687-697 doi:10.1016/0016-7037(71)90067-6
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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