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Dumortierite
Dumortierite

Nephrite
Nephrite



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Dumortierite
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Nephrite

Dumortierite and Nephrite 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
 
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-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Dumortierite and Nephrite Chemical Formula

While comparing Dumortierite and Nephrite 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 Nephrite chemical formula.

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Dumortierite and Nephrite Specific Gravity

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