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Elbaite and Malachite Physical Properties


Malachite and Elbaite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
3.25-4.10   

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

Cleavage
Poor/indistinct on {1120} and {1011}   
Perfect on { 2 01} fair on {010}   

Mohs Hardness
7   
3.5-4   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references   
Cu2CO3(OH)2   

Optical Properties >>
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Elbaite and Malachite Chemical Formula

While comparing Elbaite and Malachite 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 Elbaite and Malachite chemical formula.

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Elbaite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.

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