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Malachite and Powellite Physical Properties


Powellite and Malachite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-4.10   
4.23   

Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven   
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Perfect on { 2 01} fair on {010}   
{111} Distinct   

Mohs Hardness
3.5-4   
3.5-4   

Chemical Composition
Cu2CO3(OH)2   
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Malachite and Powellite Chemical Formula

While comparing Malachite 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 Malachite and Powellite chemical formula.

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Malachite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.23 whereas that of Powellite is 4.23.

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