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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Phlogopite from
T. P. Prospect, Madison County, Montana, USA


Locality type:Prospect
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view T. P. Prospect, Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:563700
Long-form Identifier:1:3:563700:3
GUID (UUID V4):0
References
Economic Geology (1990) 85:585-600
 
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