Rutile and Smoky Quartz Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Insoluble in acids
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.20-4.30
  
2.65
  
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
  
{0110} Indistinct
  
Mohs Hardness
6-6.5
  
7
  
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO2
  
Rutile and Smoky Quartz Chemical Formula
While comparing Rutile and Smoky 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 Rutile and Smoky Quartz chemical formula.
- Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Smoky Quartz- SiO2
Rutile and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rutile and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.65 whereas that of Smoky Quartz is 2.65.