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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Illite from
Unnamed U prospect [1] (Unnamed prospect at Hueco Gap [VH-HU-B7-1]), Hueco Mts (Huego Mts), El Paso County, Texas, USA


Locality type:Prospect
Classification
Species:Muscovite var: Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Illite data
Locality Data:Click here to view Unnamed U prospect [1] (Unnamed prospect at Hueco Gap [VH-HU-B7-1]), Hueco Mts (Huego Mts), El Paso County, Texas, USA
Data Identifiers
Mindat Occurrence Record ID:202981
Long-form Identifier:1:3:202981:8
GUID (UUID V4):0
References
Price, Jonathan G (1983) Annotated Bibliography of Mineral Deposits in Trans-Pecos, Texas Vol. 73. Bureau of Economic Geology, Texas Mining. 108pp.
 
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