Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Braunite from
Pennsylvania Mine, Sugarloaf Mountain, Black Wonder Mining District, Santa Clara County, California, USA


Locality type:Mine
Classification
Species:Braunite
Formula:Mn2+Mn63+(SiO4)O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Braunite data
Locality Data:Click here to view Pennsylvania Mine, Sugarloaf Mountain, Black Wonder Mining District, Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:135545
Long-form Identifier:1:3:135545:1
GUID (UUID V4):0
Nearest other occurrences of Braunite
23.0km (14.3 miles) ⓘBuckeye Mine (Buckeye Mines; Wright Mine), Mount Oso, Ladd-Buckeye Mining District, Stanislaus County, California, USA
References
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Erd, Richard C., Ohashi, Yoshikazu (1984) Santaclaraite, a new calcium-manganese silicate hydrate from California. American Mineralogist, 69 (1-2) 200-206
Dunn, Pete J., Peacor, Donald R., Erd, Richard C., Ramik, Robert A. (1986) Franciscanite and örebroite, two new minerals from California and Sweden, related to redefined welinite. American Mineralogist, 71 (11-12). 1522-1526
 
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