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Dumortierite
Dumortierite

Dioptase
Dioptase



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Dumortierite
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Dioptase

Dumortierite and Dioptase Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.26-3.413.25-3.35
1 7.18
👆🏻

Fracture

Fibrous, ConchoidalWalter Schumann
Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Mohs Hardness

7-8.55
2 10
👆🏻

Chemical Composition

AlAl6O3BSi3O18
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Dumortierite and Dioptase Chemical Formula

While comparing Dumortierite and Dioptase 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 Dioptase chemical formula.

  • Chemical formula of Dumortierite- AlAl6O3BSi3O18
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Dumortierite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.