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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Mariposite from
Unnamed Occurrence (ARDF - TL070), Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA


Classification
Species:Muscovite var: Mariposite
Formula:K(Al,Cr)2(Al,Si)4O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mariposite data
Locality Data:Click here to view Unnamed Occurrence (ARDF - TL070), Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:596960
Long-form Identifier:1:3:596960:9
GUID (UUID V4):0
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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