Narsarsukite and Sapphirine Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72-2.83
  
3.40-3.58
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
  
Cleavage
Good on {100} and {110}
  
{010} Perfect
  
Mohs Hardness
6-7
  
7.5
  
Chemical Composition
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Narsarsukite and Sapphirine Chemical Formula
While comparing Narsarsukite 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 Narsarsukite and Sapphirine chemical formula.
- Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Narsarsukite and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Narsarsukite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.