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Dumortierite
Dumortierite

Sardonyx
Sardonyx



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Dumortierite
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Sardonyx

Dumortierite and Sardonyx Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.26-3.412.55-2.70
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}
Not Available
1.7 Mohs Hardness
7-8.56.5-7
Amber
2 10
1.8 Chemical Composition
AlAl6O3BSi3O18
SiO 2Ulrich Henn and Claudio C.

Dumortierite and Sardonyx Chemical Formula

While comparing Dumortierite and Sardonyx 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 Sardonyx chemical formula.

  • Chemical formula of Dumortierite- AlAl6O3BSi3O18
  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Dumortierite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.