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Periclase and Afghanite Physical Properties


Afghanite and Periclase Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.7-3.9   
2.55-2.65   

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

Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}   
Perfect {10 1 0}   

Mohs Hardness
5.5-6   
5.5-6   

Chemical Composition
MgOMichael 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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Periclase and Afghanite Chemical Formula

While comparing Periclase 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 Periclase and Afghanite chemical formula.

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Periclase and Afghanite Specific Gravity

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

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