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Pyrochlore Group from
Madonna Mia group (Madonna Mia prospect; Madoona Mia), Haskell Peak, Lassen County, California, USA


Classification
Species:'Pyrochlore Group' (not an IMA approved species)
Formula:A2Nb2(O,OH)6Z
Comments:Occurs as 1mm or less grains in metavolcanic rocks.
Colour:Black
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrochlore Group data
Locality Data:Click here to view Madonna Mia group (Madonna Mia prospect; Madoona Mia), Haskell Peak, Lassen County, California, USA
Data Identifiers
Mindat Occurrence Record ID:638661
Long-form Identifier:1:3:638661:0
GUID (UUID V4):0
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 302
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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