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Chrome Tourmaline and Poudretteite Physical Properties


Poudretteite and Chrome Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
2.51-2.53   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, Splintery   

Cleavage
3,2   
None   

Mohs Hardness
7-7.5   
5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Chrome Tourmaline and Poudretteite Chemical Formula

While comparing Chrome Tourmaline and Poudretteite 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 Chrome Tourmaline and Poudretteite chemical formula.

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Chrome Tourmaline and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

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