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Gypsum and Sodalite Physical Properties


Sodalite and Gypsum Physical Properties


Physical Properties

Tenacity
Flexible   
Brittle   

Solubility
Soluble   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.20-2.40   
2.15-2.40   

Fracture
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)   
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   

Cleavage
Perfect on {010}, distinct on {100}   
Poor on {110}   

Mohs Hardness
2   
5-6   

Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Gypsum and Sodalite Chemical Formula

While comparing Gypsum 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 Gypsum and Sodalite chemical formula.

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Gypsum and Sodalite Specific Gravity

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

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