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Cordierite Iolite and Goethite Physical Properties


Goethite and Cordierite Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
HCl soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.56-2.66   
4.27-4.29   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).   

Cleavage
Not Available   
Perfect {010}   

Mohs Hardness
7-7.5   
5-5.5   

Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   
FeO(OH)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Cordierite Iolite and Goethite Chemical Formula

While comparing Cordierite Iolite and Goethite 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 Goethite chemical formula.

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Cordierite Iolite and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Goethite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.

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