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Cordierite and Hematite Physical Properties


Hematite and Cordierite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.57-2.66   
5.00-5.30   

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

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

Mohs Hardness
7-7.5   
6   

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

Optical Properties >>
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Cordierite and Hematite Chemical Formula

While comparing Cordierite and Hematite 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 and Hematite chemical formula.

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Cordierite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

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