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Afghanite and Linarite Physical Properties


Linarite and Afghanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
5.35   

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

Cleavage
Perfect {10 1 0}   
Perfect on {100}, imperfect on {001}   

Mohs Hardness
5.5-6   
2.5   

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

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Afghanite and Linarite Chemical Formula

While comparing Afghanite and Linarite 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 Afghanite and Linarite chemical formula.

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Afghanite and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Linarite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 5.35 whereas that of Linarite is 5.35.

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