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Poudretteite and Iolite Physical Properties


Iolite and Poudretteite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.53   
2.6-2.7   

Fracture
Conchoidal, Splintery   
Not Available   

Cleavage
None   
3,1   

Mohs Hardness
5   
7-7.5   

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   
Mg2Al4Si5O18   

Optical Properties >>
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Poudretteite and Iolite Chemical Formula

While comparing Poudretteite and Iolite 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 Poudretteite and Iolite chemical formula.

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Poudretteite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.

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