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Calcite and Sodalite Physical Properties


Sodalite and Calcite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.67-2.73   
2.15-2.40   

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

Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55   
Poor on {110}   

Mohs Hardness
3   
5-6   

Chemical Composition
CaCO 3Ulrich Henn and Claudio C.   
Na8Al6Si6O24Cl2   

Optical Properties >>
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Calcite and Sodalite Chemical Formula

While comparing Calcite 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 Calcite and Sodalite chemical formula.

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Calcite and Sodalite Specific Gravity

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

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