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Dumortierite
Dumortierite

Cordierite
Cordierite



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Dumortierite
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Cordierite

Dumortierite and Cordierite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26-3.41
Fibrous, ConchoidalWalter Schumann
Distinct on {100}, poor on {110}; parting on {001}
7-8.5
AlAl6O3BSi3O18
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

Dumortierite and Cordierite Chemical Formula

While comparing Dumortierite 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 Dumortierite and Cordierite chemical formula.

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Dumortierite and Cordierite Specific Gravity

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