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Sinhalite
Sinhalite

Star Sapphire
Star Sapphire



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Sinhalite
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Star Sapphire

Sinhalite and Star Sapphire 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
3.46-3.50
3.90-4.05
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6-7
Not Available
1.8 Chemical Composition
MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Ulrich Henn and Claudio C.

Sinhalite and Star Sapphire Chemical Formula

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

  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Sinhalite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.