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Cordierite Iolite and Covellite Physical Properties


Covellite and Cordierite Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Flexible   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.56-2.66   
4.6-4.76   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Not Available   
Perfect on {0001}   

Mohs Hardness
7-7.5   
Not Available   

Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Cordierite Iolite and Covellite Chemical Formula

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

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Cordierite Iolite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.

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