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Cryolite and Tourmaline Physical Properties


Tourmaline and Cryolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.97   
2.85-3.35   

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

Cleavage
None observed   
Indistinct   

Mohs Hardness
2.5   
7-7.5   

Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

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Cryolite and Tourmaline Chemical Formula

While comparing Cryolite and Tourmaline 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 Cryolite and Tourmaline chemical formula.

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Cryolite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.

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Red Gemstones


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