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Pyrolusite from
Du Frene prospect (Dufrene prospect; Empire Mine; Pacific Mine), Sunnybrook, Pardee Mining District, Amador County, California, USA


Locality type:Prospect
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 Du Frene prospect (Dufrene prospect; Empire Mine; Pacific Mine), Sunnybrook, Pardee Mining District, Amador County, California, USA
Data Identifiers
Mindat Occurrence Record ID:322362
Long-form Identifier:1:3:322362:8
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
17.8km (11.1 miles) ⓘLubanko prospect, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
19.2km (11.9 miles) ⓘJones prospect (Jones deposit), Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
22.1km (13.7 miles) ⓘFortner Ranch prospect (Fortner Ranch property), San Andreas area, Calaveras County, California, USA
22.6km (14.0 miles) ⓘPeyton deposit (Peyton Crocker-Preston prospect), Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
22.9km (14.2 miles) ⓘPerini deposit (Perini Peyton et al lease), Volcano, Volcano Mining District, Amador County, California, USA
32.4km (20.1 miles) ⓘDaniels Dennis prospect (Daniels deposit), Lost City, West Belt, Calaveras County, California, USA
33.1km (20.6 miles) ⓘMartinez Gold Mine (Martinez Mine; Martinez Hillside group; Bismark claim; Gold reef claim; Hillside Extension claim; Hillside Extension No. 3 claim; Martinez claim), Logtown, El Dorado Mining District, El Dorado County, California, USA
33.2km (20.6 miles) ⓘMartinez Mine (Martinez Gold Mine; Martinez claim; Bismarck claim; Gold Reef claim; Hillside Extension claim; Hillside Extension No. 3 claim; Martinez Hillside group; Hillside group), Logtown, El Dorado Mining District, El Dorado County, California, USA
57.0km (35.4 miles) ⓘStonewall Mine (Pedro prospect; Pedro claim), Browns Flat, Columbia Mining District, East Belt, Tuolumne County, California, USA
62.7km (39.0 miles) ⓘDavid prospect, Georgetown, Georgetown District, East Segment Mother Lode, El Dorado County, California, USA
References
Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 29-31
Carlson, D.W. & W.B. Clark (1954), Mines and Minerals of Amador County, California: California Journal of Mines and Geology: 50(1): 268
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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