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Sugilite and Demantoid Physical Properties


Demantoid 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   
3.77-3.95   

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

Cleavage
Poor on {0001}   
Not Available   

Mohs Hardness
5.5-6.5   
6.5   

Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.   

Optical Properties >>
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Sugilite and Demantoid Chemical Formula

While comparing Sugilite and Demantoid 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 Demantoid chemical formula.

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Sugilite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.

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