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Franklinite and Cordierite Physical Properties


Cordierite and Franklinite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.05-5.22   
2.57-2.66   

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

Cleavage
None   
Fair on {100}, poor on {001} and {010}   

Mohs Hardness
5.5-6   
7-7.5   

Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)   
Mg2Al4Si5O18   

Optical Properties >>
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Franklinite and Cordierite Chemical Formula

While comparing Franklinite 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 Franklinite and Cordierite chemical formula.

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Franklinite and Cordierite Specific Gravity

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

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