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Chrome Tourmaline and Pargasite Physical Properties


Pargasite and Chrome Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.04-3.26   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Splintery, Brittle, Uneven   

Cleavage
3,2   
{110} perfect   

Mohs Hardness
7-7.5   
5-6   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

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Chrome Tourmaline and Pargasite Chemical Formula

While comparing Chrome Tourmaline and Pargasite 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 Pargasite chemical formula.

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Chrome Tourmaline and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

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