Simpsonite and Fayalite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
4.392
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
None
  
{010} moderate, {100} imperfect
  
Mohs Hardness
7-7.5
  
6.5-7
  
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Simpsonite and Fayalite Chemical Formula
While comparing Simpsonite and Fayalite 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 Simpsonite and Fayalite chemical formula.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Simpsonite and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Simpsonite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 4.392 whereas that of Fayalite is 4.392.