Bytownite and Smoky Quartz Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72-2.75
  
2.65
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect on [001], good on [010], imperfect on [110]
  
{0110} Indistinct
  
Mohs Hardness
6-6.5
  
7
  
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO2
  
Bytownite and Smoky Quartz Chemical Formula
While comparing Bytownite 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 Bytownite and Smoky Quartz chemical formula.
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Smoky Quartz- SiO2
Bytownite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.65 whereas that of Smoky Quartz is 2.65.