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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Pyrolusite 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:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite 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:640343
Long-form Identifier:1:3:640343:0
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
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
12.6km (7.8 miles) ⓘDarwin Mining District, Darwin Hills, Inyo County, California, USA
16.6km (10.3 miles) ⓘDefiance Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, 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
49.8km (30.9 miles) ⓘLillie Mine (Mature Consolidated), Slate Range Mining District (Arondo Mining District), Slate Range, Inyo County, California, USA
71.4km (44.3 miles) ⓘManganite Nos. 1-3 claims (Canam Mine; DV group), Wingate Wash, Panamint Range (Panamint Mountains), Inyo County, California, USA
71.4km (44.4 miles) ⓘManganite group (Chapin Manganese; Reward group; Reward Nos. 1-3 claims; Goodhope Nos. 1-2 claims; Manganese Nos. 1-4; Wingate Wash), Shore Line Butte, Inyo County, California, USA
92.3km (57.4 miles) ⓘBlack Magic Mines (Emma deposit; Ruby J. Mine), Owl Hole Springs, Owlshead Mountains, San Bernardino County, California, USA
95.1km (59.1 miles) ⓘNew Deal Mine (Emma Mine; Enna Mine; Owl Hole Mine; Owl's Head Mine), Black Magic Mines (Emma deposit; Ruby J. Mine), Owl Hole Springs, Owlshead Mountains, San Bernardino 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, 32 & 34
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 303.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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