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Powellite and Dravite Physical Properties


Dravite and Powellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.23   
3.03-3.18   

Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
{111} Distinct   
{???} Indistinct   

Mohs Hardness
3.5-4   
7-7.5   

Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

Optical Properties >>
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Powellite and Dravite Chemical Formula

While comparing Powellite and Dravite 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 Dravite chemical formula.

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Powellite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.

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