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Pyrope and Afghanite Physical Properties


Afghanite and Pyrope Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble in water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.62-3.87   
2.55-2.65   

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

Cleavage
None   
Perfect {10 1 0}   

Mohs Hardness
7-7.5   
5.5-6   

Chemical Composition
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
(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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Pyrope and Afghanite Chemical Formula

While comparing Pyrope 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 Pyrope and Afghanite chemical formula.

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Pyrope and Afghanite Specific Gravity

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

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