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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Chamosite from
Santo Nino Mine (Santo Niño Mine; North Santo Nino; North Santo Wind; Brooks; Santa Maria Mo Mine), Santo Niño Mine area, San Antonio Canyon, Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Chamosite
Formula:Fe52+Al(AlSi3O10)(OH)8
Comments:Occurs in oligoclase-rutile rock rich in molybdenite; replaces former dark silicates in the mafic igneous rock hosting the ores.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Molybdenite
Rutile
Data
Mineral Data:Click here to view Chamosite data
Locality Data:Click here to view Santo Nino Mine (Santo Niño Mine; North Santo Nino; North Santo Wind; Brooks; Santa Maria Mo Mine), Santo Niño Mine area, San Antonio Canyon, Duquesne-Washington Camp, Patagonia Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:250889
Long-form Identifier:1:3:250889:4
GUID (UUID V4):0
Nearest other occurrences of Chamosite
89.0km (55.3 miles) ⓘGordon Spring prospects, Middle Pass Mining District, Cochise County, Arizona, USA
91.8km (57.0 miles) ⓘFesterling Mine (Elsicor Mine; Cora Mine), Black Diamond Peak, Middle Pass Mining District, Cochise County, Arizona, USA
92.9km (57.7 miles) ⓘMiddlemarch Mine, Middle Pass Mining District, Cochise County, Arizona, USA
References
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.167
 
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