Bustamite and Hexagonite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Partly soluble in HCl.
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.32-3.43
  
2.98-3.03
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven
  
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
  
[110] perfect; [010] distinct
  
Mohs Hardness
5.5-6
  
5-6
  
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  
Bustamite and Hexagonite Chemical Formula
While comparing Bustamite 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 Bustamite and Hexagonite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Bustamite and Hexagonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.