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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Stilbite Subgroup from
Øvstebø, Kleppan, Sauland, Hjartdal, Telemark, Norway


Locality type:Deposit
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Øvstebø, Kleppan, Sauland, Hjartdal, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:465720
Long-form Identifier:1:3:465720:0
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
41.2km (25.6 miles) ⓘHans Brattebergs road, Gamlegrendåsen, Kongsberg, Buskerud, Norway
43.8km (27.2 miles) ⓘMinde roadcut (E 134), Øvre Eiker, Buskerud, Norway
46.9km (29.2 miles) ⓘRoadcut 2, Stulen ore field, Skien, Telemark, Norway
57.4km (35.7 miles) ⓘRundemyr, Øvre Eiker, Buskerud, Norway
61.9km (38.5 miles) ⓘMjøndalen, Drammen, Buskerud, Norway
63.1km (39.2 miles) ⓘSolsetra Prospects, Hagatjern, Mjøndalen, Drammen, Buskerud, Norway
63.6km (39.5 miles) ⓘBatteriet, Åssiden, Drammen, Buskerud, Norway
64.7km (40.2 miles) ⓘGlomsrudkollen Zinc Mines, Åmot, Modum, Buskerud, Norway
66.9km (41.5 miles) ⓘSata prospect, Konnerudkollen Mines (Konnerud Mines), Konnerud, Drammen, Buskerud, Norway
67.4km (41.9 miles) ⓘTømmeråstjern, Holmestrand, Vestfold, Norway
References
Neumann, Henrich, Svinndal, Sverre (1955) The Cyprine-Thulite deposit at Øvstebø, near Kleppan in Sauland, Telemark, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 34 (2-3-4) 139-156
 
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