Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Quadrate, Fornace, Trento Province, Trentino-Alto Adige/Südtirol, Italy


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 Quadrate, Fornace, Trento Province, Trentino-Alto Adige/Südtirol, Italy
Data Identifiers
Mindat Occurrence Record ID:1036369
Long-form Identifier:1:3:1036369:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
33.1km (20.5 miles) ⓘCastelletto di Rotzo, Rotzo, Vicenza Province, Veneto, Italy
41.5km (25.8 miles) ⓘCosta di Viezzena, Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
48.0km (29.8 miles) ⓘPale Rabbiose, Moena, Trento Province, Trentino-Alto Adige/Südtirol, Italy
50.0km (31.1 miles) ⓘToal della Ricoletta (Toal della Fassaite), San Giovanni di Fassa, Trento Province, Trentino-Alto Adige/Südtirol, Italy
50.4km (31.3 miles) ⓘCima Uzza, Valbona (Val Bona) & Val d'Arnò, Daone & Breguzzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
50.9km (31.7 miles) ⓘSelle Lake area, San Giovanni di Fassa, Trento Province, Trentino-Alto Adige/Südtirol, Italy
54.4km (33.8 miles) ⓘForcel Rosso Gully (Forcel Rosso Pass), Monte Foppa (north slope), Upper Val Saviore, Cevo, Brescia Province, Lombardy, Italy
57.8km (35.9 miles) ⓘDosegù Glacier, Gavia Valley, Valfurva, Sondrio Province, Lombardy, Italy
57.9km (36.0 miles) ⓘPeder Valley, Martell (Martello), Vinschgau (Val Venosta), South Tyrol, Trentino-Alto Adige/Südtirol, Italy
58.2km (36.2 miles) ⓘGrolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy
References
D'Amico, C., Venturelli, G. (1968): Riodaciti e rioliti atesine in cupole e colate di Pinè (Trento). Miner. Petrogr. Acta, 14, 143-170
 
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