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
Pacheco Pass, Merced County, California, USA


Locality type:Pass
Classification
Species:Aragonite
Formula:CaCO3
Comments:Occurs in Franciscan Formation rocks.
Colour:Brown
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Stilpnomelane
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Pacheco Pass, Merced County, California, USA
Data Identifiers
Mindat Occurrence Record ID:644256
Long-form Identifier:1:3:644256:9
GUID (UUID V4):0
Nearest other occurrences of Aragonite
41.6km (25.8 miles) ⓘAdobe Creek (Adobe Canyon), Black Wonder Mining District, Stanislaus County, California, USA
44.2km (27.4 miles) ⓘRed Mountain Mine, Red Mountain, Black Wonder Mining District, Stanislaus County, California, USA
53.6km (33.3 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
56.8km (35.3 miles) ⓘNew Almaden Mining District, Santa Clara County, California, USA
74.1km (46.1 miles) ⓘPacific Cement and Aggregate Company quarry, Santa Cruz, Santa Cruz County, California, USA
90.4km (56.2 miles) ⓘVictor claim (Victor Mine), Picacho Peak, San Benito County, California, USA
92.8km (57.7 miles) ⓘArtinite pit, Picacho Peak, San Benito County, California, USA
98.0km (60.9 miles) ⓘCalifornia State Gem Mine, Santa Rita Peak, San Benito County, California, USA
References
McKee, Bates (1962), Widespread distribution of aragonite in the Pacheco Pass area, California (abstract): Geological Society of America Special Paper 68: 384
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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