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Pargasite and Sugilite Physical Properties


Sugilite and Pargasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.04-3.26   
2.69-2.79   

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

Cleavage
{110} perfect   
Poor on {0001}   

Mohs Hardness
5-6   
5.5-6.5   

Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Pargasite and Sugilite Chemical Formula

While comparing Pargasite 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 Pargasite and Sugilite chemical formula.

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Pargasite and Sugilite Specific Gravity

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

Green Gemstones

Green Gemstones


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