Sillimanite and Rutilated Quartz Physical Properties
Tenacity
Tough
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.20-3.26
  
2.65
  
Fracture
Splintery
  
Gems, Sixth Edition (2006)
  
Cleavage
{010} perfect
  
Indiscernible
  
Mohs Hardness
6-7.5
  
7
  
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Quartz: SiO2 Rutile: TiO2
  
Sillimanite and Rutilated Quartz Chemical Formula
While comparing Sillimanite and Rutilated Quartz 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 Sillimanite and Rutilated Quartz chemical formula.
- Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Rutilated Quartz- Quartz: SiO2 Rutile: TiO2
Sillimanite and Rutilated Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sillimanite and Rutilated Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Rutilated Quartz Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 2.65 whereas that of Rutilated Quartz is 2.65.