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
Basalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria


03828360017363940964949.jpg
Heulandite Subgroup

Basalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
03828360017363940964949.jpg
Heulandite Subgroup

Basalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
01905360017363940976790.jpg
Heulandite Subgroup

Basalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
Locality type:Quarry
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 Basalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:115166
Long-form Identifier:1:3:115166:4
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
17.7km (11.0 miles) ⓘGneiss quarries, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
20.1km (12.5 miles) ⓘSauerbrunngraben quarries, Stainz, Deutschlandsberg District, Styria, Austria
29.2km (18.2 miles) ⓘZgornji Štrihovec, Šentilj, Slovenia
33.6km (20.9 miles) ⓘAmphibolite quarry, Krumbach, Soboth, Eibiswald, Deutschlandsberg District, Styria, Austria
34.5km (21.4 miles) ⓘSchlarbaum quarry, Klausen, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
35.0km (21.8 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
35.4km (22.0 miles) ⓘBorehole St W2, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
37.0km (23.0 miles) ⓘStradner Kogel, Wilhelmsdorf, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
38.5km (23.9 miles) ⓘGradischkogel, Sankt Vinzenz, Lavamünd, Wolfsberg District, Carinthia, Austria
38.5km (23.9 miles) ⓘTrass pit, Gossendorf, Feldbach, Südoststeiermark District, Styria, Austria
References
Aufschluss 1972(SB), 76-79
 
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