Baddeleyite and Sillimanite Physical Properties
Tenacity
Not Available
  
Tough
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.5-6.0
  
3.20-3.26
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Splintery
  
Cleavage
{001} Distinct
  
{010} perfect
  
Mohs Hardness
6.5
  
6-7.5
  
Chemical Composition
ZrO 2Arthur Thomas , Gemstones (2009)
  
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Baddeleyite and Sillimanite Chemical Formula
While comparing Baddeleyite and Sillimanite 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 Baddeleyite and Sillimanite chemical formula.
- Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
- Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Baddeleyite and Sillimanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Baddeleyite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baddeleyite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Baddeleyite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.