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Powellite
Powellite

Shigaite
Shigaite



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Powellite
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Shigaite

Powellite and Shigaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Powellite and Shigaite Chemical Formula

While comparing Powellite 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 Powellite and Shigaite chemical formula.

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Powellite and Shigaite Specific Gravity

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