Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Biotite from
Barbacana Pass, Bagni di Vinadio Valley (Corborant Valley), Vinadio, Cuneo Province, Piedmont, Italy


Locality type:Pass
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Barbacana Pass, Bagni di Vinadio Valley (Corborant Valley), Vinadio, Cuneo Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:541992
Long-form Identifier:1:3:541992:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.5km (7.1 miles) ⓘSambuco gramaccioliite site (Sambuco “historical” site), Sambuco, Cuneo Province, Piedmont, Italy
24.4km (15.2 miles) ⓘTetti Ghedda, Valdieri, Cuneo Province, Piedmont, Italy
26.9km (16.7 miles) ⓘChiotas Reservoir, Entracque, Cuneo Province, Piedmont, Italy
27.2km (16.9 miles) ⓘBrocan Lake, Entracque, Cuneo Province, Piedmont, Italy
37.6km (23.4 miles) ⓘSant'Anna di Bellino, Bellino, Cuneo Province, Piedmont, Italy
46.0km (28.6 miles) ⓘPasso Gallarino, Oncino, Cuneo Province, Piedmont, Italy
56.6km (35.2 miles) ⓘCastello Oddino quarries, Barge, Cuneo Province, Piedmont, Italy
56.9km (35.4 miles) ⓘPerrone quarries, Barge, Cuneo Province, Piedmont, Italy
57.6km (35.8 miles) ⓘCion quarries, Barge, Cuneo Province, Piedmont, Italy
58.1km (36.1 miles) ⓘBalma Oro Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy
References
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
 
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