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Heliodor and Star Sapphire Physical Properties


Star Sapphire and Heliodor Physical Properties


Physical Properties

Tenacity
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Solubility
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Durability
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Specific Gravity
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3.90-4.05   

Fracture
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Cleavage
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Mohs Hardness
7.5   
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Chemical Composition
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Al 2O 3Ulrich Henn and Claudio C.   

Optical Properties >>
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Heliodor and Star Sapphire Chemical Formula

While comparing Heliodor 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 Heliodor and Star Sapphire chemical formula.

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Heliodor and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Heliodor and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Heliodor and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Heliodor is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.

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