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Sapphire and Steatite Physical Properties


Steatite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
2.20-2.80   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Not Available   

Cleavage
None, but may exhibit parting   
Not Available   

Mohs Hardness
9   
Not Available   

Chemical Composition
Al 2 O 3   
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)   

Optical Properties >>
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Sapphire and Steatite Chemical Formula

While comparing 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 Sapphire and Steatite chemical formula.

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Sapphire and Steatite Specific Gravity

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

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