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Sellaite and Sodalite Physical Properties


Sodalite and Sellaite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.14-3.16   
2.15-2.40   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
Conchoidal, Uneven, UnevenArthur Thomas, Brittle   

Cleavage
Perfect on {010} and {110}   
Poor on {110}   

Mohs Hardness
5-5.5   
5-6   

Chemical Composition
MgF 2Ulrich Henn and Claudio C.   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Sellaite and Sodalite Chemical Formula

While comparing Sellaite 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 Sellaite and Sodalite chemical formula.

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Sellaite and Sodalite Specific Gravity

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

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