Spessartine and Bustamite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Partly soluble in HCl.
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.12-4.18
  
3.32-3.43
  
Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{???} Distinct
  
{100} perfect; {110} and {1 1 0} good; {010} poor
  
Mohs Hardness
7-7.5
  
5.5-6
  
Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Spessartine and Bustamite Chemical Formula
While comparing Spessartine 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 Spessartine and Bustamite chemical formula.
- Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spessartine and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spessartine and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.