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
Basalt quarry, Kollnitz, Sankt Paul im Lavanttal, Wolfsberg District, Carinthia, Austria


Locality type:Quarry
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Erionite Subgroup1
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Basalt quarry, Kollnitz, Sankt Paul im Lavanttal, Wolfsberg District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:201009
Long-form Identifier:1:3:201009:0
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
17.6km (10.9 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
24.1km (15.0 miles) ⓘHematite Mine, Waldenstein, Wolfsberg, Wolfsberg District, Carinthia, Austria
28.7km (17.8 miles) ⓘA2 Highway cut, Packsattel, Preitenegg, Wolfsberg District, Carinthia, Austria
36.1km (22.4 miles) ⓘAldrian quarry (Hofstatt quarry), Lieschengraben, Oberhaag, Leibnitz District, Styria, Austria
38.2km (23.7 miles) ⓘRemšnik mine, Podvelka, Slovenia
64.4km (40.0 miles) ⓘPlatte, Mariatrost, Graz, Styria, Austria
74.5km (46.3 miles) ⓘRailway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria
74.6km (46.3 miles) ⓘHäuselberg, Leoben, Leoben District, Styria, Austria
82.1km (51.0 miles) ⓘSchlarbaum quarry, Klausen, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
82.4km (51.2 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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