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Dumortierite
Dumortierite

Ajoite
Ajoite



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Dumortierite
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Ajoite

Dumortierite and Ajoite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Decomposed by acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.26-3.412.96
Amber
1 7.18
1.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Not Available
1.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {010}
1.7 Mohs Hardness
7-8.55
Amber
2 10
1.8 Chemical Composition
AlAl6O3BSi3O18
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Dumortierite and Ajoite Chemical Formula

While comparing Dumortierite and Ajoite 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 Ajoite chemical formula.

  • Chemical formula of Dumortierite- AlAl6O3BSi3O18
  • Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Dumortierite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.96 whereas that of Ajoite is 2.96.