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Afghanite
Afghanite

Shigaite
Shigaite



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Afghanite
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Shigaite

Afghanite and Shigaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.65
Conchoidal
Perfect {10 1 0}
5.5-6
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Afghanite and Shigaite Chemical Formula

While comparing Afghanite and Shigaite 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 Shigaite chemical formula.

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Afghanite and Shigaite Specific Gravity

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