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Sugilite and Indicolite Blue Tourmaline Physical Properties


Indicolite Blue Tourmaline and Sugilite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.69-2.79   
3.05-3.11   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Poor on {0001}   
Not Available   

Mohs Hardness
5.5-6.5   
7-7.5   

Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

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Sugilite and Indicolite Blue Tourmaline Chemical Formula

While comparing Sugilite and Indicolite Blue 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 Sugilite and Indicolite Blue Tourmaline chemical formula.

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Sugilite and Indicolite Blue Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.

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