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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Coronadite from
Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA


Locality type:Mine
Classification
Species:Coronadite
Formula:Pb(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Coronadite data
Locality Data:Click here to view Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:640334
Long-form Identifier:1:3:640334:8
GUID (UUID V4):0
Nearest other occurrences of Coronadite
1.0km (0.6 miles) ⓘModoc Mine (Modock Mine), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA
2.7km (1.7 miles) ⓘDefense Mine, Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA
21.5km (13.3 miles) ⓘBig Four Mine (War Eagle; Perry Lead Mine), Panamint Butte, Cottonwood Mountains, Panamint Range (Panamint Mountains), Inyo County, California, USA
71.7km (44.6 miles) ⓘApril Fool claims (April Fool claim; Keegan; Manganese No. 1 and No. 4 claims), Owlshead Mountains, Inyo County, California, USA
References
Hall, Wayne Everett & Hal G. Stephens (1963), Economic geology of the Panamint Butte quadrangle and Modoc district, Inyo County, California: California Division of Mines & Geology Special Report 73: 24-26
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 160
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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