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Powellite
Powellite

Williamsite
Williamsite



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Williamsite

Powellite and Williamsite 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)
 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Powellite and Williamsite Chemical Formula

While comparing Powellite and Williamsite 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 Williamsite chemical formula.

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Powellite and Williamsite Specific Gravity

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