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Corundum var. Sapphire

#PD33284

Corundum var. Sapphire

#PD33284
Availability
Sold
Size
3 x 4 x 4 cm - Miniature 
Formula
Al2O3 (RRUFF)
Locality
Davis Lake Corundum Occurrence, Haliburton Co., Ontario, Canada

Thumbnail sample of Corundum from Ontario,  sample shows good grey blue color, with small blades of Biotite. 

Corundum

Formula
Al2O3 
Crystal System
Trigonal 
Crystal Habit
Euhedral Crystals, Tabular, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue, red, yellow, brown, gray 
Streak
none 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Tough 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Corundum
On Dakota Matrix
Other Available Corundum
WebMineral
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Mindat
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