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Star Sapphire
Star Sapphire

Grossular
Grossular



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Star Sapphire
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Grossular

Star Sapphire and Grossular Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Star Sapphire and Grossular Chemical Formula

While comparing Star Sapphire and Grossular 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 Grossular chemical formula.

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Star Sapphire and Grossular Specific Gravity

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