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Atacamite and Iolite Physical Properties


Iolite and Atacamite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.745-3.776   
2.6-2.7   

Fracture
Conchoidal, Conchoidal, Brittle   
Not Available   

Cleavage
Perfect on {010}, fair on {101}   
3,1   

Mohs Hardness
3-3.5   
7-7.5   

Chemical Composition
Cu2Cl(OH)3   
Mg2Al4Si5O18   

Optical Properties >>
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Atacamite and Iolite Chemical Formula

While comparing Atacamite 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 Atacamite and Iolite chemical formula.

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Atacamite and Iolite Specific Gravity

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

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