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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Granite from
Bournac volcano, Saint-Front, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France


Locality type:Volcano
Classification
Type:Granite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Granite data
Locality Data:Click here to view Bournac volcano, Saint-Front, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:1654493
Long-form Identifier:1:3:1654493:0
GUID (UUID V4):0
References
Grew, ES (1977) Blue silliminite and the origin of crustal xenoliths at Kilbourne Hole, New Mexico, USA, and Bournac, Haute-Loire, France. International Kimberlite Conference: Extended Abstracts, 2. 111-113
 
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