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Dumortierite
Dumortierite

Weloganite
Weloganite



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Dumortierite
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Weloganite

Dumortierite and Weloganite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.26-3.413.20-3.22
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Conchoidal

Cleavage

Distinct on {100}, poor on {110}; parting on {001}
Perfect on pseudo {0001}

Mohs Hardness

7-8.53
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
Na2SrZrSi6O17(OH)3·3H2O

Dumortierite and Weloganite Chemical Formula

While comparing Dumortierite and Weloganite 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 Weloganite chemical formula.

  • Chemical formula of Dumortierite- AlAl6O3BSi3O18
  • Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O

Dumortierite and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.