Harlequin Opal and Labradorite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
2.69-2.72
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Uneven, Conchoidal, Gems, Sixth Edition (2006)
  
Cleavage
Not Available
  
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
  
Mohs Hardness
5.5-6.5
  
6-6.5
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
(Na,Ca)1-2Si3-2O8
  
Harlequin Opal and Labradorite Chemical Formula
While comparing Harlequin Opal and Labradorite 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 Labradorite chemical formula.
- Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Harlequin Opal and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Harlequin Opal and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Harlequin Opal and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Harlequin Opal is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.