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Kyanite and Verdite Physical Properties


Verdite and Kyanite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.53-3.65   
2.80-3.0   

Fracture
Splintery, Brittle, Metallic   
Not Available   

Cleavage
[100] perfect [010] imperfect with 79° angle between   
{110} Good   

Mohs Hardness
4-7   
3   

Chemical Composition
Not Available   
NaFeS2•2(H2O)   

Optical Properties >>
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Kyanite and Verdite Chemical Formula

While comparing Kyanite and Verdite 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 Kyanite and Verdite chemical formula.

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Kyanite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.

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