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Hematite and Cordierite Physical Properties


Cordierite and Hematite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.00-5.30   
2.57-2.66   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Subconchoidal, Conchoidal, Brittle   

Cleavage
None, may show partings on {0001} and {10 1 1}   
Fair on {100}, poor on {001} and {010}   

Mohs Hardness
6   
7-7.5   

Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)   
Mg2Al4Si5O18   

Optical Properties >>
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Hematite and Cordierite Chemical Formula

While comparing Hematite and Cordierite 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 Hematite and Cordierite chemical formula.

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Hematite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.

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