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Grossular
Grossular

Star Sapphire
Star Sapphire



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Grossular
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Star Sapphire

Grossular and Star Sapphire Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Grossular and Star Sapphire Chemical Formula

While comparing Grossular 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 Grossular and Star Sapphire chemical formula.

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Grossular and Star Sapphire Specific Gravity

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