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Pyrolusite from
Unnamed Mn occurrence [6], Covelo, Round Valley, Coastal Range, California, USA


Locality type:Occurrence
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 Unnamed Mn occurrence [6], Covelo, Round Valley, Coastal Range, California, USA
Data Identifiers
Mindat Occurrence Record ID:667111
Long-form Identifier:1:3:667111:2
GUID (UUID V4):0
References
Bradley, W.W., et al (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 39-49
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 304.
 
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