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
Kvasetice, Havlíčkův Brod District, Vysočina Region, Czech Republic


Locality type:Deposit
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 Kvasetice, Havlíčkův Brod District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:1579845
Long-form Identifier:1:3:1579845:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.8km (6.1 miles) ⓘVysoká hill, Havlíčkův Brod District, Vysočina Region, Czech Republic
12.3km (7.7 miles) ⓘGranite quarry, Pohled, Havlíčkův Brod District, Vysočina Region, Czech Republic
16.4km (10.2 miles) ⓘJilem pegmatite locality, Jilem, Havlíčkův Brod District, Vysočina Region, Czech Republic
26.1km (16.2 miles) ⓘNemojov quarry, Nemojov, Pelhřimov, Pelhřimov District, Vysočina Region, Czech Republic
29.7km (18.4 miles) ⓘBřezina pegmatite, Moldanubian Zone pegmatites, Vlastějovice, Kutná Hora District, Central Bohemian Region, Czech Republic
29.9km (18.6 miles) ⓘNosatá skála pegmatite, Moldanubian Zone pegmatites, Vlastějovice, Kutná Hora District, Central Bohemian Region, Czech Republic
30.8km (19.1 miles) ⓘPřibyslavice, Vlkaneč, Kutná Hora District, Central Bohemian Region, Czech Republic
35.6km (22.1 miles) ⓘMarkovice quarry, Žleby, Kutná Hora District, Central Bohemian Region, Czech Republic
37.5km (23.3 miles) ⓘKřižanovice deposit, Křižanovice, Chrudim District, Pardubice Region, Czech Republic
42.9km (26.7 miles) ⓘStudnice, Nové Město na Moravě, Žďár nad Sázavou District, Vysočina Region, Czech Republic
References
VÍŠKOVÁ, E., HOUZAR, S., ŠKODA, R., KOPECKÝ, S., TOMAN, J., & PAULIŠ, P. (2022). Olovem bohatá oxidační zóna polymetalické mineralizace na lokalitě Kvasetice u Havlíčkova Brodu: distribuce minerálních asociací s pyromorfitem a arzenáty. Bulletin Mineralogie Petrologie, 30(2).
 
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