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Sodalite and Dumortierite Physical Properties


Dumortierite 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   
3.26-3.41   

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

Cleavage
Poor on {110}   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
5-6   
7-8.5   

Chemical Composition
Na8Al6Si6O24Cl2   
AlAl6O3BSi3O18   

Optical Properties >>
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Sodalite and Dumortierite Chemical Formula

While comparing Sodalite and Dumortierite 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 Dumortierite chemical formula.

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Sodalite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.

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