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Starlite and Afghanite Physical Properties


Afghanite and Starlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.91-4.73   
2.55-2.65   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle   

Cleavage
Not Available   
Perfect {10 1 0}   

Mohs Hardness
6.5-7.5   
5.5-6   

Chemical Composition
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Starlite and Afghanite Chemical Formula

While comparing Starlite and Afghanite 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 Starlite and Afghanite chemical formula.

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Starlite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.

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