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Prase Opal
Prase Opal

Dumortierite
Dumortierite



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Prase Opal
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Dumortierite

Prase Opal and Dumortierite 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
1.98-2.25
3.26-3.41
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
5-6.5
7-8.5
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
AlAl6O3BSi3O18

Prase Opal and Dumortierite Chemical Formula

While comparing Prase Opal and Dumortierite 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 Prase Opal and Dumortierite chemical formula.

  • Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Prase Opal and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.