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
Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy


02894020017272306833369.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
09262420017272306828432.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
04178110017272306645194.jpg
Biotite, etc.

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
02854860017272306775459.jpg
Biotite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
01353580017374586531956.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
08983280017374586522089.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
02998370017364111973197.jpg
Biotite, etc.

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
08028160017371781937640.jpg
Biotite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
02894020017272306833369.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
09262420017272306828432.jpg
Phlogopite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
04178110017272306645194.jpg
Biotite, etc.

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
02854860017272306775459.jpg
Biotite

Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
Locality type:Exposure
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:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Albite4
Goethite2
Muscovite2
Fayalite-Forsterite Series1
Rutile1
Apatite1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Settolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:1468552
Long-form Identifier:1:3:1468552:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
35.7km (22.2 miles) ⓘVallalta Mine, Gosaldo, Belluno Province, Veneto, Italy
35.7km (22.2 miles) ⓘSagrón Mine, Sagron Mis, Trento Province, Trentino-Alto Adige/Südtirol, Italy
48.5km (30.1 miles) ⓘCastelletto di Rotzo, Rotzo, Vicenza Province, Veneto, Italy
58.1km (36.1 miles) ⓘCosta di Viezzena, Predazzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy
60.6km (37.7 miles) ⓘGrolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy
60.7km (37.7 miles) ⓘPale Rabbiose, Moena, Trento Province, Trentino-Alto Adige/Südtirol, Italy
60.8km (37.8 miles) ⓘToal della Ricoletta (Toal della Fassaite), San Giovanni di Fassa, Trento Province, Trentino-Alto Adige/Südtirol, Italy
61.2km (38.0 miles) ⓘSelle Lake area, San Giovanni di Fassa, Trento Province, Trentino-Alto Adige/Südtirol, Italy
64.8km (40.3 miles) ⓘAssunta 1 borehole, Veneto, Italy
65.4km (40.6 miles) ⓘZovon, Vo', Padova Province, Veneto, Italy
References
Bortolozzi, Giorgio (n.d.) Personal Communication.
 
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