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Sodalite and Brookite Physical Properties


Brookite and Sodalite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.15-2.40   
3.87-4.14   

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

Cleavage
Poor on {110}   
Poor on {120}, in traces on {001}   

Mohs Hardness
5-6   
5.5-6   

Chemical Composition
Na8Al6Si6O24Cl2   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sodalite and Brookite Chemical Formula

While comparing Sodalite and Brookite 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 Brookite chemical formula.

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Sodalite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.

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