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Sodalite and Fire Opal Physical Properties


Fire Opal and Sodalite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.15-2.40   
1.97-2.22   

Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Poor on {110}   
Not Available   

Mohs Hardness
5-6   
6-6.5   

Chemical Composition
Na8Al6Si6O24Cl2   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Sodalite and Fire Opal Chemical Formula

While comparing Sodalite 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 Sodalite and Fire Opal chemical formula.

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Sodalite and Fire Opal Specific Gravity

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

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