Labradorite and Sapphirine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.69-2.72
  
3.40-3.58
  
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
  
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
  
{010} Perfect
  
Mohs Hardness
6-6.5
  
7.5
  
Chemical Composition
(Na,Ca)1-2Si3-2O8
  
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Labradorite and Sapphirine Chemical Formula
While comparing Labradorite and Sapphirine 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 Labradorite and Sapphirine chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Labradorite and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.