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Sugilite and Phlogopite Physical Properties


Phlogopite and Sugilite Physical Properties


Physical Properties

Tenacity
Not Available   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.69-2.79   
2.78-2.85   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
None, Uneven   

Cleavage
Poor on {0001}   
Perfect basal (001)   

Mohs Hardness
5.5-6.5   
2-2.5   

Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Sugilite and Phlogopite Chemical Formula

While comparing Sugilite and Phlogopite 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 Phlogopite chemical formula.

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Sugilite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sugilite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.

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