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Cordierite and Hibonite Physical Properties


Hibonite and Cordierite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.57-2.66   
3.84   

Fracture
Subconchoidal, Conchoidal, Brittle   
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Fair on {100}, poor on {001} and {010}   
{0001} good, {10 1 0} parting   

Mohs Hardness
7-7.5   
7.5-8   

Chemical Composition
Mg2Al4Si5O18   
(Ca,Ce)(Al,Ti,Mg)12O19   

Optical Properties >>
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Cordierite and Hibonite Chemical Formula

While comparing Cordierite and Hibonite 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 Hibonite chemical formula.

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Cordierite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.84 whereas that of Hibonite is 3.84.

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