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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Quartz from
Gleinalm tunnel, Sankt Michael in Obersteiermark, Leoben District, Styria, Austria


Locality type:Tunnel
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Gleinalm tunnel, Sankt Michael in Obersteiermark, Leoben District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:920885
Long-form Identifier:1:3:920885:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.2km (1.3 miles) ⓘHinterlobming clefts, Lobminggraben, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
10.5km (6.6 miles) ⓘHäuselberg, Leoben, Leoben District, Styria, Austria
11.1km (6.9 miles) ⓘRailway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria
11.8km (7.3 miles) ⓘAir raid protection tunnel (Schlossruine tunnel), Kaisersberg, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
11.8km (7.3 miles) ⓘPreg, Sankt Lorenzen bei Knittelfeld, Sankt Margarethen bei Knittelfeld, Murtal District, Styria, Austria
12.4km (7.7 miles) ⓘSilberberg prospect, Großstübing, Deutschfeistritz, Graz-Umgebung District, Styria, Austria
12.7km (7.9 miles) ⓘGraphite mine, Kaisersberg, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
13.1km (8.1 miles) ⓘUpper Topenauer adit, Notberg, Guggenbach, Übelbach, Graz-Umgebung District, Styria, Austria
13.2km (8.2 miles) ⓘGulsen, Sankt Marein-Feistritz, Murtal District, Styria, Austria
13.9km (8.6 miles) ⓘHartlegraben, Kaisersberg, Sankt Stefan ob Leoben, Leoben District, Styria, Austria
References
Taucher, J. & Hollerer, C. E. (2015): Über einige Mineralien aus dem Gleinalmtunnel, 2. Röhre, Südvortrieb, Steiermark, Österreich. Der Steirische Mineralog, 29, 44-46.
 
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