Bytownite and Tourmaline Bi Color Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72-2.75
  
Not Available
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Not Available
  
Cleavage
Perfect on [001], good on [010], imperfect on [110]
  
Not Available
  
Mohs Hardness
6-6.5
  
7-7.5
  
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Bytownite and Tourmaline Bi Color Chemical Formula
While comparing Bytownite and Tourmaline Bi Color 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 Tourmaline Bi Color chemical formula.
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
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Bytownite and Tourmaline Bi Color Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Tourmaline Bi Color Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Tourmaline Bi Color Optical Properties during the identification of gemstone. Specific gravity of Bytownite is Not Available whereas that of Tourmaline Bi Color is Not Available.