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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Corundum from
Stubenberg Quarry, Stubenberg am See, Hartberg-Fürstenfeld District, Styria, Austria


Locality type:Quarry
Classification
Species:Corundum
Formula:Al2O3
Comments:with margarite and dravite
Habit:subhedral, partly altered
Colour:bluish-grey
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Margarite
Tourmaline
Associated Minerals Based on Photo Data:
Margarite4
Ilmenite3
Clinochlore3
Phlogopite3
Zoisite1
Dravite1
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Stubenberg Quarry, Stubenberg am See, Hartberg-Fürstenfeld District, Styria, Austria
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:294126
Long-form Identifier:1:3:294126:4
GUID (UUID V4):0
Nearest other occurrences of Corundum
32.6km (20.3 miles) Höllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
32.7km (20.3 miles) Lazulite occurrence, Traibach, Traibachgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
36.1km (22.4 miles) Fürstenbauer, Pretulgraben, Langenwang, Bruck-Mürzzuschlag District, Styria, Austria
46.5km (28.9 miles) Stradner Kogel, Wilhelmsdorf, Bad Gleichenberg, Südoststeiermark District, Styria, Austria
54.6km (34.0 miles) Basalt quarry, Klöch, Südoststeiermark District, Styria, Austria
73.9km (45.9 miles) Bärofen, Bad Schwanberg, Deutschlandsberg District, Styria, Austria
82.4km (51.2 miles) Gams stratigraphic sections, Gams bei Hieflau, Landl, Liezen District, Styria, Austria
98.8km (61.4 miles) Plankogel, Knappenberg, Hüttenberger Erzberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
99.1km (61.6 miles) Albert adit, Hüttenberger Erzberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
99.8km (62.0 miles) Pusygraben (Unterer Grabner), Lölling, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
References
 
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