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Dumortierite
Dumortierite

Williamsite
Williamsite



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Dumortierite
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Williamsite

Dumortierite and Williamsite 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
 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Dumortierite and Williamsite Chemical Formula

While comparing Dumortierite and Williamsite 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 Williamsite chemical formula.

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Dumortierite and Williamsite Specific Gravity

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