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Williamsite and Iolite Physical Properties


Iolite and Williamsite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.63   
2.6-2.7   

Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)   
Not Available   

Cleavage
Not Available   
3,1   

Mohs Hardness
4   
7-7.5   

Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)   
Mg2Al4Si5O18   

Optical Properties >>
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Williamsite and Iolite Chemical Formula

While comparing Williamsite 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 Williamsite and Iolite chemical formula.

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Williamsite and Iolite Specific Gravity

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

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