Bustamite and Magnesite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Partly soluble in HCl.
  
Effervesces in hot HCl
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.32-3.43
  
2.92-3.12
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
  
[10 1 1] perfect
  
Mohs Hardness
5.5-6
  
3.5-4.5
  
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Bustamite and Magnesite Chemical Formula
While comparing Bustamite and Magnesite 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 Magnesite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bustamite and Magnesite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.