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Zinnwaldite
Zinnwaldite

Powellite
Powellite



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Zinnwaldite
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Zinnwaldite and Powellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Zinnwaldite and Powellite Chemical Formula

While comparing Zinnwaldite and Powellite 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 Zinnwaldite and Powellite chemical formula.

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Zinnwaldite and Powellite Specific Gravity

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