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It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Chalcophyllite from
Villanière slag locality, Villanière, Carcassonne, Aude, Occitanie, France


Locality type:Slag Locality
Classification
Species:Chalcophyllite
Formula:Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Formation:Post-mining/Anthropogenic
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcophyllite data
Locality Data:Click here to view Villanière slag locality, Villanière, Carcassonne, Aude, Occitanie, France
Data Identifiers
Mindat Occurrence Record ID:205557
Long-form Identifier:1:3:205557:2
GUID (UUID V4):0
References
Pélisson, P., Descouens, D. (1987) Présence de minéraux de néoformation dans les scories de l'ancienne usine de Villagnère (Aude). Le Cahier des Micromonteurs 16(2), 6-10
 
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