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Star Sapphire
Star Sapphire

Kurnakovite
Kurnakovite



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Star Sapphire
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Kurnakovite

Star Sapphire and Kurnakovite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.051.847-1.852
Amber
1 7.18
1.5 Fracture
Not Available
Brittle, Conchoidal
1.6 Cleavage
Not Available
Poor to indistinct on {010}
1.7 Mohs Hardness
Not Available2-3
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Not Available

Star Sapphire and Kurnakovite Chemical Formula

While comparing Star Sapphire and Kurnakovite 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 Kurnakovite chemical formula.

  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
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Star Sapphire and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.