Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Nová Baňa deposit, Nová Baňa, Žarnovica District, Banská Bystrica Region, Slovakia


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 Nová Baňa deposit, Nová Baňa, Žarnovica District, Banská Bystrica Region, Slovakia
Data Identifiers
Mindat Occurrence Record ID:404232
Long-form Identifier:1:3:404232:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.9km (1.8 miles) ⓘBrehy quarry, Tekovská Breznica, Žarnovica District, Banská Bystrica Region, Slovakia
9.4km (5.8 miles) ⓘZlatno, Vysoká, Banská Štiavnica District, Banská Bystrica Region, Slovakia
10.5km (6.5 miles) ⓘHodruša-Hámre mines, Hodruša-Hámre, Žarnovica District, Banská Bystrica Region, Slovakia
12.1km (7.5 miles) ⓘKopanice, Hodruša-Hámre mines, Hodruša-Hámre, Žarnovica District, Banská Bystrica Region, Slovakia
20.9km (13.0 miles) ⓘBeluj porphyry gold occurrence, Beluj, Banská Štiavnica District, Banská Bystrica Region, Slovakia
20.9km (13.0 miles) ⓘZlaté Moravce-1 well, Zlaté Moravce, Zlaté Moravce District, Nitra Region, Slovakia
51.8km (32.2 miles) ⓘNi-Bi-As occurrence, Čierna Lehota, Bánovce nad Bebravou District, Trenčín Region, Slovakia
53.8km (33.5 miles) ⓘČavoj Polymetallic deposit, Čavoj, Prievidza District, Trenčín Region, Slovakia
55.8km (34.7 miles) ⓘBiely vrch, Detva, Detva District, Banská Bystrica Region, Slovakia
59.6km (37.1 miles) ⓘMagas Hill, Diósjenő, Nógrád County, Hungary
References
Koděra, Miroslav; Kolektív, A. (1986) Topografická mineralógia Slovenska. Veda Vydavatel'stvo.
 
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