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Corundum

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PDM714058

Corundum

Fluorescent

Description Tabs

Description
Locality: 
Bunyakiri, South Kivu, DR Congo
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.9 × 0.7 cm
Description

Corundum crystals from the fluvial deposits of Bunyakiri (Kivu). Some are euhedral of short prismatic hexagonal habit, coloured grey, red or blue. Fluorescent under UV illumination. Acquired in the 1960’s to Gilbert Gauthier. Ex René Virlet.

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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