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Corundum

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MGR728316

Corundum

Classic Locality

Description Tabs

Description
Locality: 
Amstall Graphite quarry, Lower Austria, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4 × 2.5 cm
Description

Not the most beautiful sample for corundum, but from a very rare and uncommon small locality in Lower Austria. The specimen shows a well shaped, thin elongated crystal with a touch of red color, embedded in dark grey graphite. For the locality a really nice sample. Hard to obtain, no significant damages to report.

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White
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