Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Bornite from
Lexington (Jones Mill), Santa Clara County, California, USA


Locality type:Town
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Lexington (Jones Mill), Santa Clara County, California, USA
Data Identifiers
Mindat Occurrence Record ID:637120
Long-form Identifier:1:3:637120:3
GUID (UUID V4):0
Nearest other occurrences of Bornite
8.1km (5.0 miles) ⓘGuadalupe Mine, New Almaden, New Almaden Mining District, Santa Clara County, California, USA
15.0km (9.3 miles) ⓘNew Almaden, New Almaden Mining District, Santa Clara County, California, USA
68.2km (42.4 miles) ⓘLeona Mine (Leona Heights Mine), Leona Heights deposit, Leona Heights, Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USA
77.8km (48.4 miles) ⓘMitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA
References
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 94
Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.
 
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