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Malachite and Dumortierite Physical Properties


Dumortierite 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   
3.26-3.41   

Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven   
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
Perfect on { 2 01} fair on {010}   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
3.5-4   
7-8.5   

Chemical Composition
Cu2CO3(OH)2   
AlAl6O3BSi3O18   

Optical Properties >>
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Malachite and Dumortierite Chemical Formula

While comparing Malachite and Dumortierite 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 Dumortierite chemical formula.

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Malachite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.

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