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Nephrite and Sodalite Physical Properties


Sodalite and Nephrite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
2.15-2.40   

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

Cleavage
Not Available   
Poor on {110}   

Mohs Hardness
6-6.5   
5-6   

Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Nephrite and Sodalite Chemical Formula

While comparing Nephrite 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 Nephrite and Sodalite chemical formula.

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Nephrite and Sodalite Specific Gravity

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

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