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
Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria


08016990017363802243597.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
06584640017271985969803.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
03107980017271985885746.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
08457010017271985812161.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
03107980017271985885746.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
08457010017271985812161.jpg
Sapphire

Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
Classification
Species:Corundum
Formula:Al2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Dürnberg, Ottensheim, Urfahr-Umgebung District, Upper Austria, Austria
Data Identifiers
Mindat Occurrence Record ID:1007361
Long-form Identifier:1:3:1007361:6
GUID (UUID V4):0
Nearest other occurrences of Corundum
50.8km (31.6 miles) ⓘKropfmühl Mine, Kropfmühl, Hauzenberg, Passau District, Lower Bavaria, Bavaria, Germany
61.4km (38.1 miles) ⓘHäuslern, Groß-Gerungs, Zwettl District, Lower Austria, Austria
78.2km (48.6 miles) ⓘKobylí hora quarry, Prachatice, Prachatice District, South Bohemian Region, Czech Republic
81.3km (50.5 miles) ⓘGraphite mine, Elsenreith, Kottes-Purk, Zwettl District, Lower Austria, Austria
82.1km (51.0 miles) ⓘGraphite quarry, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
82.2km (51.1 miles) ⓘWeinberg South, Amstall, Mühldorf, Krems-Land District, Lower Austria, Austria
82.7km (51.4 miles) ⓘWimhof Quarry, Vilshofen, Passau District, Lower Bavaria, Bavaria, Germany
83.3km (51.7 miles) ⓘTrandorf, Mühldorf, Krems-Land District, Lower Austria, Austria
84.2km (52.3 miles) ⓘGraphite mine, Wegscheid, Mühldorf, Krems-Land District, Lower Austria, Austria
87.1km (54.2 miles) ⓘKlein-Heinrichschlag, Albrechtsberg an der Großen Krems, Krems-Land District, Lower Austria, Austria
References
Brandstetter, Gerhard (2000): Mineralogische und paläontologische Notizen aus Oberösterreich. OÖ. Geonachrichten, 15, 16-22. https://www.zobodat.at/pdf/OOE-GEO_15_0016-0022.pdf2. Dürnbergtunnel bei Ottensheim
 
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