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Kornerupine
Kornerupine

Sapphire
Sapphire



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Kornerupine
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Sapphire

Kornerupine and Sapphire Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.453.95-4.03
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Good on {110}
None, but may exhibit parting
1.7 Mohs Hardness
6.59
Amber
2 10
1.8 Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Al 2 O 3

Kornerupine and Sapphire Chemical Formula

While comparing Kornerupine and Sapphire physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Kornerupine and Sapphire chemical formula.

  • Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Sapphire- Al 2 O 3

Kornerupine and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.