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Verdite and Corundum Physical Properties


Corundum and Verdite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-3.0   
3.90-4.05   

Fracture
Not Available   
Uneven, Uneven, Gems, Difficult, Fibrous   

Cleavage
{110} Good   
None – parting in 3 directions   

Mohs Hardness
3   
9   

Chemical Composition
NaFeS2•2(H2O)   
Al 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Verdite and Corundum Chemical Formula

While comparing Verdite and Corundum 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 Verdite and Corundum chemical formula.

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Verdite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.

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