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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Amphibole Supergroup from
Nunatak Occurrence (south of Snowcap Mountain), McGrath Mining District, Bethel Census Area, Alaska, USA


Locality type:Occurrence
Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Nunatak Occurrence (south of Snowcap Mountain), McGrath Mining District, Bethel Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:586829
Long-form Identifier:1:3:586829:2
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
86.1km (53.5 miles) ⓘBowser Creek-Main Mine, Yukon-Koyukuk Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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