Bustamite and Bort Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Partly soluble in HCl.
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.32-3.43
  
Not Available
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
  
Not Available
  
Mohs Hardness
5.5-6
  
Not Available
  
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Bustamite and Bort Chemical Formula
While comparing Bustamite and Bort 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 Bustamite and Bort chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Bustamite and Bort Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Bort Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Bort Optical Properties during the identification of gemstone. Specific gravity of Bustamite is Not Available whereas that of Bort is Not Available.