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Biotite from
Gran Zebrù Glacier (Vedretta del Gran Zebrù), Cedec Valley, Valfurva, Sondrio Province, Lombardy, Italy


Locality type:Glacier
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 Gran Zebrù Glacier (Vedretta del Gran Zebrù), Cedec Valley, Valfurva, Sondrio Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:903441
Long-form Identifier:1:3:903441:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.9km (0.6 miles) ⓘBottiglia Pass (Königsjoch), Cedec Valley, Valfurva, Sondrio Province, Lombardy, Italy
1.4km (0.9 miles) ⓘOrtles-Gran Zebrù northeast slope (Ortler-Königspitze northeast slope), Stilfs (Stelvio), Vinschgau (Val Venosta), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
1.5km (0.9 miles) ⓘVedretta di Solda (Suldenferner), Stilfs (Stelvio), Vinschgau (Val Venosta), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
8.8km (5.5 miles) ⓘPeder Valley, Martell (Martello), Vinschgau (Val Venosta), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
12.2km (7.6 miles) ⓘDosegù Glacier, Gavia Valley, Valfurva, Sondrio Province, Lombardy, Italy
16.2km (10.1 miles) ⓘGavia Pass, Gavia Valley, Valfurva, Sondrio Province, Lombardy, Italy
37.0km (23.0 miles) ⓘMürasciola, Camp Valley, Poschiavo, Bernina Region, Grisons, Switzerland
45.2km (28.1 miles) ⓘForcel Rosso Gully (Forcel Rosso Pass), Monte Foppa (north slope), Upper Val Saviore, Cevo, Brescia Province, Lombardy, Italy
45.7km (28.4 miles) ⓘQuadrada (incl. Quadradin), Selva, Poschiavo, Bernina Region, Grisons, Switzerland
47.4km (29.5 miles) ⓘLavin, Zernez, Engiadina Bassa/Val Müstair Region, Grisons, Switzerland
References
Scaini, G. (1972) Minerali del Parco Nazionale dello Stelvio. Atti Soc. It. Sc. Nat. e Museo Civ. St. Nat. Milano, 113, 2, 150-152.
Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
 
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