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Augite and Sugilite Physical Properties


Sugilite and Augite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.19-3.56   
2.69-2.79   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{110} Perfect, {010} Indistinct   
Poor on {0001}   

Mohs Hardness
5.5-6   
5.5-6.5   

Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)   
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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Augite and Sugilite Chemical Formula

While comparing Augite 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 Augite and Sugilite chemical formula.

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Augite and Sugilite Specific Gravity

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

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