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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Opal-AN from
Hartner quarry, Bad Schwanberg, Deutschlandsberg District, Styria, Austria


Locality type:Quarry
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Hartner quarry, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:115437
Long-form Identifier:1:3:115437:5
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
6.0km (3.7 miles) ⓘRostock creek, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
7.5km (4.7 miles) ⓘMüllerbauer, Schwarze Sulm, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
7.8km (4.9 miles) ⓘPolanz quarry (Mauthnereck), Krumbach, Sankt Oswald ob Eibiswald, Eibiswald, Deutschlandsberg District, Styria, Austria
8.6km (5.3 miles) ⓘLaßnitzgraben, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
9.4km (5.8 miles) ⓘSchwagbauer (Schwoagbauer), Osterwitz, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
15.6km (9.7 miles) ⓘAldrian quarry (Hofstatt quarry), Lieschengraben, Oberhaag, Leibnitz District, Styria, Austria
16.7km (10.4 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
25.7km (16.0 miles) ⓘBasalt quarry, Weitendorf, Wildon, Leibnitz District, Styria, Austria
57.1km (35.5 miles) ⓘSchlarbaum quarry, Klausen, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
57.8km (35.9 miles) ⓘStradner Kogel, Wilhelmsdorf, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
References
Aufschluss 1972(SB), 43-47
 
and/or  
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