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Povondraite
Povondraite

Powellite
Powellite



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Povondraite
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Povondraite and Powellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Povondraite and Powellite Chemical Formula

While comparing Povondraite 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 Povondraite and Powellite chemical formula.

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Povondraite and Powellite Specific Gravity

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