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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Montmorillonite from
Spodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria


Locality type:Prospect
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Spodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:206607
Long-form Identifier:1:3:206607:3
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
12.7km (7.9 miles) ⓘHematite Mine, Waldenstein, Wolfsberg, Wolfsberg District, Carinthia, Austria
13.8km (8.6 miles) ⓘA2 Highway cut, Packsattel, Preitenegg, Wolfsberg District, Carinthia, Austria
17.6km (10.9 miles) ⓘBasalt quarry, Kollnitz, Sankt Paul im Lavanttal, Wolfsberg District, Carinthia, Austria
32.1km (20.0 miles) ⓘAldrian quarry (Hofstatt quarry), Lieschengraben, Oberhaag, Leibnitz District, Styria, Austria
38.2km (23.7 miles) ⓘRemšnik mine, Podvelka, Slovenia
47.1km (29.3 miles) ⓘPlatte, Mariatrost, Graz, Styria, Austria
58.8km (36.5 miles) ⓘHäuselberg, Leoben, Leoben District, Styria, Austria
58.9km (36.6 miles) ⓘRailway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria
69.2km (43.0 miles) ⓘSchlarbaum quarry, Klausen, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
69.9km (43.4 miles) ⓘBorehole St W2, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
References
Niedermayr, G.; Praetzel, I. (1995) Mineralien Kärntens. Naturwissenschaftlicher Verein für Kärnten. 232 pp.
 
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