Sapphirine and Phlogopite Physical Properties
Tenacity
Not Available
  
Tough
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.40-3.58
  
2.78-2.85
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
  
None, Uneven
  
Cleavage
{010} Perfect
  
Perfect basal (001)
  
Mohs Hardness
7.5
  
2-2.5
  
Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Sapphirine and Phlogopite Chemical Formula
While comparing Sapphirine and Phlogopite 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 Sapphirine and Phlogopite chemical formula.
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Sapphirine and Phlogopite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphirine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.