Réf : BK953
Ruby Corundum on rock matrix - Burma - crystal minerals 4.4 cm / 63g / BK953
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RUBY CORUNDUM belongs to the oxide group. It contains aluminum and a minimal amount of chromium. Its chemical formula is Al 2 O 3 .
RUBY CORUNDUM generally occurs as elongated crystals with striated prismatic faces when crystallized.
RUBY CORUNDUM and SAPPHIRE CORUNDUM belong to the same family.
Its red color comes from the presence of chromium oxide. The hardness of Ruby Corundum or Sapphire Corundum reaches 9/10 on the Mohs scale (10 for diamond) and its density is greater than 4 (1 for water). The line on porcelain is colorless.
The name Ruby comes from the Latin word rubeus which means red .
Unique piece - Contractual photos
Origin: Raw minerals from Burma
Dimensions: 4.4 x 3.7 x 2.7 cm
Weight: 63 g
