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Star Sapphire and Steatite Physical Properties


Steatite and Star Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
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Durability
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Specific Gravity
3.90-4.05   
2.20-2.80   

Fracture
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Not Available   

Cleavage
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Mohs Hardness
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Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.   
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)   

Optical Properties >>
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Star Sapphire and Steatite Chemical Formula

While comparing Star Sapphire and Steatite 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 Steatite chemical formula.

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Star Sapphire and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Steatite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.20-2.80 whereas that of Steatite is 2.20-2.80.

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