Star Sapphire and Goshenite Physical Properties

Star Sapphire

Goshenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.052.60-2.90

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

3,1 basal

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

Be₃Al₂SiO₆

Star Sapphire and Goshenite Chemical Formula

While comparing Star Sapphire and Goshenite 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 Goshenite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Goshenite- Be₃Al₂SiO₆

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Star Sapphire and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.