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Harlequin Opal
Harlequin Opal

Anorthite
Anorthite



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Harlequin Opal
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Harlequin Opal and Anorthite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.50
2.77
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
5.5-6.5
6-6.5
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Harlequin Opal and Anorthite Chemical Formula

While comparing Harlequin Opal and Anorthite 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 Harlequin Opal and Anorthite chemical formula.

  • Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Harlequin Opal and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Harlequin Opal and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Harlequin Opal and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Harlequin Opal is 2.77 whereas that of Anorthite is 2.77.