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Opal and Sodalite Physical Properties


Sodalite and Opal Physical Properties


Physical Properties

Tenacity
BrittleWalter Schumann   
Brittle   

Solubility
hot salt water   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.15-2.40   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   

Cleavage
None   
Poor on {110}   

Mohs Hardness
5-6.5   
5-6   

Chemical Composition
SiO2 · nH2O   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Opal and Sodalite Chemical Formula

While comparing Opal and Sodalite 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 Opal and Sodalite chemical formula.

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Opal and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Opal is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.

Semi Precious

Semi Precious


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