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Dumortierite and Chalcedony Physical Properties


Chalcedony and Dumortierite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.26-3.41   
2.55-2.70   

Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   

Cleavage
Distinct on {100}, poor on {110}; parting on {001}   
Absent   

Mohs Hardness
7-8.5   
6.5-7   

Chemical Composition
AlAl6O3BSi3O18   
SiO2   

Optical Properties >>
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Dumortierite and Chalcedony Chemical Formula

While comparing Dumortierite and Chalcedony 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 Chalcedony chemical formula.

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Dumortierite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.

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