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Malachite and Realgar Physical Properties


Realgar 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   
3.56   

Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven   
(e.g. graphite).   

Cleavage
Perfect on { 2 01} fair on {010}   
{010} Good   

Mohs Hardness
3.5-4   
Not Available   

Chemical Composition
Cu2CO3(OH)2   
AsSMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Malachite and Realgar Chemical Formula

While comparing Malachite and Realgar 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 Realgar chemical formula.

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Malachite and Realgar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.56 whereas that of Realgar is 3.56.

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