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Star Sapphire
Star Sapphire

Sylvite
Sylvite



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Star Sapphire
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Sylvite

Star Sapphire and Sylvite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.051.993
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Brittle
1.6 Cleavage
Not Available
Perfect on [100], [010], [001]
1.7 Mohs Hardness
Not Available2.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Not Available

Star Sapphire and Sylvite Chemical Formula

While comparing Star Sapphire and Sylvite 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 Sylvite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 1.993 whereas that of Sylvite is 1.993.