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Iolite and Peridot Physical Properties


Peridot and Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
1.54-1.55   

Fracture
Not Available   
Conchoidal   

Cleavage
3,1   
Poor   

Mohs Hardness
7-7.5   
6.5-7   

Chemical Composition
Mg2Al4Si5O18   
(Mg,Fe)2SiO4   

Optical Properties >>
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Iolite and Peridot Chemical Formula

While comparing Iolite and Peridot 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 Iolite and Peridot chemical formula.

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Iolite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Iolite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.

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