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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Crichtonite from
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France


Locality type:Mine Dump
Classification
Species:Crichtonite
Formula:Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Crichtonite data
Locality Data:Click here to view Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:205104
Long-form Identifier:1:3:205104:8
GUID (UUID V4):0
Nearest other occurrences of Crichtonite
4.5km (2.8 miles) ⓘChalet de La Fée, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France
33.6km (20.8 miles) ⓘMont Rond, Saint-Colomban-des-Villards, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
52.0km (32.3 miles) ⓘSignols Quarries, Signols, Oulx, Metropolitan City of Turin, Piedmont, Italy
55.9km (34.7 miles) ⓘLes Tribunes, Épierre, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
57.3km (35.6 miles) ⓘLa Balme peak, Argentine, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
57.5km (35.8 miles) ⓘPetit Château, Celliers, La Léchère, Albertville, Savoie, Auvergne-Rhône-Alpes, France
57.6km (35.8 miles) ⓘGrand Château, Celliers, La Léchère, Albertville, Savoie, Auvergne-Rhône-Alpes, France
67.2km (41.8 miles) ⓘMont-Cenis gypsum outcrop (Mont-Cenis gypsum hillock), Mont-Cenis Plateau, Lanslebourg-Mont-Cenis, Val-Cenis, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France
References
Valverde J., De Ascencao Guedes R. (1999), Le Plan du Lac, Isère (France), Le Cahier des Micromonteurs, n°2, pp: 6-21
 
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