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Hexagonite and Iolite Physical Properties


Iolite and Hexagonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.98-3.03   
2.6-2.7   

Fracture
Uneven   
Not Available   

Cleavage
[110] perfect; [010] distinct   
3,1   

Mohs Hardness
5-6   
7-7.5   

Chemical Composition
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.   
Mg2Al4Si5O18   

Optical Properties >>
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Hexagonite and Iolite Chemical Formula

While comparing Hexagonite 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 Hexagonite and Iolite chemical formula.

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Hexagonite and Iolite Specific Gravity

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

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