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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Pyrolusite from
Marble quarry (Bürgergilt quarry; Bürgergilde quarry), Olsa, Friesach, Sankt Veit an der Glan District, Carinthia, Austria


Locality type:Quarry
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Marble quarry (Bürgergilt quarry; Bürgergilde quarry), Olsa, Friesach, Sankt Veit an der Glan District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:304652
Long-form Identifier:1:3:304652:4
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
2.8km (1.8 miles) ⓘPirkerkogel (Pirknerkogel), Straßburg, Sankt Veit an der Glan District, Carinthia, Austria
4.1km (2.5 miles) ⓘFe deposit, Dürnstein, Neumarkt in der Steiermark, Murau District, Styria, Austria
6.2km (3.8 miles) ⓘMartis Mine (Schmiede Mine), Ratteingraben, Guttaring, Sankt Veit an der Glan District, Carinthia, Austria
6.3km (3.9 miles) ⓘEmma adit, Ratteingraben, Guttaring, Sankt Veit an der Glan District, Carinthia, Austria
8.3km (5.1 miles) ⓘOpen pit, Waitschach, Guttaring, Sankt Veit an der Glan District, Carinthia, Austria
26.5km (16.5 miles) ⓘStaller Quarry, Kathal in Obdachegg, Obdachegg, Obdach, Murtal District, Styria, Austria
28.4km (17.6 miles) ⓘSt. Leonhard auf der Saualpe, Griffen, Völkermarkt District, Carinthia, Austria
35.4km (22.0 miles) ⓘTheißenegg, Wolfsberg, Wolfsberg District, Carinthia, Austria
51.0km (31.7 miles) ⓘUmberg, Wernberg, Villach-Land District, Carinthia, Austria
65.2km (40.5 miles) ⓘLagler, Tweng, Tamsweg District, Salzburg, Austria
References
European Journal of Mineralogy 17(1), 163-172(2005)
 
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