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Verdite and Polyhalite Physical Properties


Polyhalite and Verdite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-3.0   
2.78   

Fracture
Not Available   
Conchoidal, Brittle   

Cleavage
{110} Good   
Perfect on {10 1 }; parting on {010}   

Mohs Hardness
3   
3.5   

Chemical Composition
NaFeS2•2(H2O)   
Not Available   

Optical Properties >>
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Verdite and Polyhalite Chemical Formula

While comparing Verdite and Polyhalite 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 Polyhalite chemical formula.

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Verdite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.78 whereas that of Polyhalite is 2.78.

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Blue Gemstones


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