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
Habichtsleithe, Aue, Aue-Bad Schlema, Erzgebirgskreis, Saxony, Germany


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 Habichtsleithe, Aue, Aue-Bad Schlema, Erzgebirgskreis, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:669442
Long-form Identifier:1:3:669442:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
15.6km (9.7 miles) ⓘPodlesí stock, Potůčky Deposit, Potůčky, Karlovy Vary District, Karlovy Vary Region, Czech Republic
16.3km (10.2 miles) ⓘGeyer SW skarn, Geyer, Erzgebirgskreis, Saxony, Germany
19.2km (11.9 miles) ⓘGreifensteine, Ehrenfriedersdorf, Erzgebirgskreis, Saxony, Germany
21.8km (13.5 miles) ⓘSauberg Mine, Ehrenfriedersdorf, Erzgebirgskreis, Saxony, Germany
27.1km (16.9 miles) ⓘTisová, Kraslice, Sokolov District, Karlovy Vary Region, Czech Republic
31.2km (19.4 miles) ⓘVykmanov, Ostrov, Karlovy Vary District, Karlovy Vary Region, Czech Republic
32.5km (20.2 miles) ⓘMagnetite Mine, Měděnec, Chomutov District, Ústí nad Labem Region, Czech Republic
34.2km (21.3 miles) ⓘVater Abraham Mine, Lauta, Marienberg, Erzgebirgskreis, Saxony, Germany
35.1km (21.8 miles) ⓘTheuma quarry, Theuma, Vogtlandkreis, Saxony, Germany
35.6km (22.1 miles) ⓘSatzung, Marienberg, Erzgebirgskreis, Saxony, Germany
References
Baumann, L., Kuschka, E., and Seifert, T. (2000): Lagerstätten des Erzgebirges. Enke (Stuttgart), pp. 229-234.
 
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