Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite. Its a battle of unexpected chemical compositions where bournonite has four elements and vesuvianite has (almost) all the rest.
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Spinel from
Southwest side of Rocky Hill, Exeter, Tulare County, California, USA


Locality type:Hill
Classification
Species:Spinel
Formula:MgAl2O4
Comments:Occurs as granular material in metamorphosed serpentine.
Colour:Green
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Serpentine Subgroup
Data
Mineral Data:Click here to view Spinel data
Locality Data:Click here to view Southwest side of Rocky Hill, Exeter, Tulare County, California, USA
Data Identifiers
Mindat Occurrence Record ID:646989
Long-form Identifier:1:3:646989:4
GUID (UUID V4):0
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 346
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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