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Star Sapphire and Fire Opal Physical Properties


Fire Opal and Star Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.90-4.05   
1.97-2.22   

Fracture
Not Available   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
Not Available   
6-6.5   

Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Star Sapphire and Fire Opal Chemical Formula

While comparing Star Sapphire and Fire Opal 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 Fire Opal chemical formula.

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Star Sapphire and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.

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