Chrysoberyl and Bustamite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Partly soluble in HCl.
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.69-3.81
  
3.32-3.43
  
Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
  
{100} perfect; {110} and {1 1 0} good; {010} poor
  
Mohs Hardness
8.5
  
5.5-6
  
Chemical Composition
BeAl 2 O 4
  
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Chrysoberyl and Bustamite Chemical Formula
While comparing Chrysoberyl and Bustamite 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 Chrysoberyl and Bustamite chemical formula.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chrysoberyl and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.