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Dumortierite
Dumortierite

Violane
Violane



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Dumortierite
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Violane

Dumortierite and Violane Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.26-3.413.22-3.40
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Conchoidal

Cleavage

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

Mohs Hardness

7-8.55-6
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Dumortierite and Violane Chemical Formula

While comparing Dumortierite and Violane 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 Violane chemical formula.

  • Chemical formula of Dumortierite- AlAl6O3BSi3O18
  • Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Dumortierite and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Violane Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.22-3.40 whereas that of Violane is 3.22-3.40.