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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Tourmaline from
Stumpf in Berg, Krenhof, Köflach, Voitsberg District, Styria, Austria


Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Stumpf in Berg, Krenhof, Köflach, Voitsberg District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:706262
Long-form Identifier:1:3:706262:9
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
2.8km (1.8 miles) ⓘKatzbachgraben, Salla, Maria Lankowitz, Voitsberg District, Styria, Austria
5.6km (3.5 miles) ⓘKohlbach Alp, Salla, Maria Lankowitz, Voitsberg District, Styria, Austria
12.1km (7.5 miles) ⓘSalzstiegel house, Kleinfeistritz, Weißkirchen in Steiermark, Murtal District, Styria, Austria
13.3km (8.3 miles) ⓘReinisch quarry, Stampf, Edelschrott, Voitsberg District, Styria, Austria
13.8km (8.6 miles) ⓘAmazonite occurrence, pegmatite outcrops, Pack, Hirschegg-Pack, Voitsberg District, Styria, Austria
14.9km (9.3 miles) ⓘLeucophyllite mine, Kothgraben (Kotgraben), Kleinfeistritz, Weißkirchen in Steiermark, Murtal District, Styria, Austria
15.8km (9.8 miles) ⓘA2 motorway tunnel (Herzogberg tunnel), Herzogberg, Modriach, Edelschrott, Voitsberg District, Styria, Austria
18.3km (11.4 miles) ⓘMaxlhoisl, Preitenegg, Wolfsberg District, Carinthia, Austria
20.8km (12.9 miles) ⓘGulsen, Sankt Marein-Feistritz, Murtal District, Styria, Austria
23.2km (14.4 miles) ⓘStoffhütte pegmatite, Deutschlandsberg, Deutschlandsberg District, Styria, Austria
References
Jakely, D. (2010)
 
and/or  
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