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Chrome Tourmaline and Sugilite Physical Properties


Sugilite 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   
2.69-2.79   

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

Cleavage
3,2   
Poor on {0001}   

Mohs Hardness
7-7.5   
5.5-6.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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Chrome Tourmaline and Sugilite Chemical Formula

While comparing Chrome Tourmaline and Sugilite 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 Sugilite chemical formula.

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Chrome Tourmaline and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.

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