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Emerald and Cordierite Iolite Physical Properties


Cordierite Iolite and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
2.56-2.66   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Imperfect on the [0001]   
Not Available   

Mohs Hardness
7.5-8   
7-7.5   

Chemical Composition
Be3Al2SiO6   
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   

Optical Properties >>
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Emerald and Cordierite Iolite Chemical Formula

While comparing Emerald and Cordierite 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 Emerald and Cordierite Iolite chemical formula.

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Emerald and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.

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