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Dumortierite
Dumortierite

Hackmanite
Hackmanite



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Dumortierite
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Hackmanite

Dumortierite and Hackmanite 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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-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Dumortierite and Hackmanite Chemical Formula

While comparing Dumortierite and Hackmanite 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 Hackmanite chemical formula.

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Dumortierite and Hackmanite Specific Gravity

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