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Sodalite and Verdelite Physical Properties


Verdelite 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   
2.90-3.40   

Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Poor on {110}   
Not Available   

Mohs Hardness
5-6   
7-7.5   

Chemical Composition
Na8Al6Si6O24Cl2   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
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Sodalite and Verdelite Chemical Formula

While comparing Sodalite and Verdelite 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 Verdelite chemical formula.

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Sodalite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.

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