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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Heulandite Subgroup from
Goldlacklscharte, Ritterkopf massif, Rauris, Zell am See District, Salzburg, Austria


Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Goldlacklscharte, Ritterkopf massif, Rauris, Zell am See District, Salzburg, Austria
Data Identifiers
Mindat Occurrence Record ID:258341
Long-form Identifier:1:3:258341:9
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
1.6km (1.0 miles) ⓘKruml glacier, Rauris, Zell am See District, Salzburg, Austria
2.0km (1.2 miles) ⓘGrieswies, Grieswies - Krumlkeeskopf area, Rauris, Zell am See District, Salzburg, Austria
12.7km (7.9 miles) ⓘGewerkenwald, Naßfeld valley, Bad Gastein, St. Johann im Pongau District, Salzburg, Austria
22.4km (13.9 miles) ⓘTörlkopf - Törlspitz area, Seebach valley, Mallnitz, Spittal an der Drau District, Carinthia, Austria
24.1km (15.0 miles) ⓘTauernmoos dam, Tauernmoos lake, Enzingerboden, Uttendorf, Zell am See District, Salzburg, Austria
31.9km (19.8 miles) ⓘMalta tunnel (Nelly tunnel), Gößbach valley, Malta, Spittal an der Drau District, Carinthia, Austria
33.9km (21.1 miles) ⓘScharnik, Irschen, Spittal an der Drau District, Carinthia, Austria
34.0km (21.2 miles) ⓘRieken Alp, Riekengraben, Kolbnitz, Reißeck, Spittal an der Drau District, Carinthia, Austria
35.9km (22.3 miles) ⓘRiekenkar, Riekengraben, Kolbnitz, Reißeck, Spittal an der Drau District, Carinthia, Austria
37.5km (23.3 miles) ⓘMittersill Scheelite deposit, Mittersill, Zell am See District, Salzburg, Austria
References
Strasser, Albert (1989) Die Minerale Salzburgs. Albert Strasser. 348 pp.
 
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