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Star Sapphire
Star Sapphire

Uvarovite
Uvarovite



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Star Sapphire
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Uvarovite

Star Sapphire and Uvarovite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.053.77
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
Not Available6.5-7.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Star Sapphire and Uvarovite Chemical Formula

While comparing Star Sapphire and Uvarovite 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 Star Sapphire and Uvarovite chemical formula.

  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
  • Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Star Sapphire and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 3.77 whereas that of Uvarovite is 3.77.