Bustamite and Pyroxmangite 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
  
3.76-3.77
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
  
{110} Perfect, {110} Perfect
  
Mohs Hardness
5.5-6
  
5-6
  
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
  
Bustamite and Pyroxmangite Chemical Formula
While comparing Bustamite and Pyroxmangite 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 Pyroxmangite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Bustamite and Pyroxmangite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.