Rough Blue Sapphire

Rough Blue Sapphire

Today's Luxury eye Candy is just awesome, it's this Blue Sapphire weighing 72.9 cts from Graves Hill, Australia!

Sapphire is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3).

Mohs scale hardness   9.0
Luster    Vitreous
Crystal system     Trigonal

Photo: Oliver Waldis

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