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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Plagioclase from
Griffen cave, Griffen, Völkermarkt District, Carinthia, Austria


Locality type:Cave
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Griffen cave, Griffen, Völkermarkt District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:222001
Long-form Identifier:1:3:222001:7
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
9.4km (5.8 miles) ⓘBasalt quarry, Kollnitz, Sankt Paul im Lavanttal, Wolfsberg District, Carinthia, Austria
12.3km (7.6 miles) ⓘModre quarry, Terpetzen, Trixen, Völkermarkt, Völkermarkt District, Carinthia, Austria
16.2km (10.1 miles) ⓘKupplerbrunn (Kupplerbrunnen), Eberstein, Sankt Veit an der Glan District, Carinthia, Austria
24.6km (15.3 miles) ⓘBrandhöhe, Glashütten, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
25.0km (15.5 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
25.4km (15.8 miles) ⓘPusygraben (Unterer Grabner), Lölling, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
26.3km (16.3 miles) ⓘGösler Hütte, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
27.6km (17.1 miles) ⓘHematite Mine, Waldenstein, Wolfsberg, Wolfsberg District, Carinthia, Austria
27.9km (17.3 miles) ⓘHohenwart, Bad Sankt Leonhard im Lavanttal, Wolfsberg District, Carinthia, Austria
28.4km (17.7 miles) ⓘDiabase quarry, Ebriachgraben (Ebriach gorge), Ebriach, Eisenkappel-Vellach, Völkermarkt District, Carinthia, Austria
References
H. Meixner: Carinthia II 148./68.:9-15 (1958)
 
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