Bytownite and Hexagonite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.72-2.75
  
2.98-3.03
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Uneven
  
Cleavage
Perfect on [001], good on [010], imperfect on [110]
  
[110] perfect; [010] distinct
  
Mohs Hardness
6-6.5
  
5-6
  
Chemical Composition
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  
Bytownite and Hexagonite Chemical Formula
While comparing Bytownite and Hexagonite 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 Hexagonite 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 Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Bytownite and Hexagonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bytownite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.