Shigaite and Bustamite Physical Properties
Tenacity
Moderately flexible
Not Available
Solubility
Not Available
Partly soluble in HCl.
Durability
Not Available
Not Available
Specific Gravity
2.32
3.32-3.43
Fracture
Flexible Flexible fragments.
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {0001}
{100} perfect; {110} and {1 1 0} good; {010} poor
Chemical Composition
Not Available
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Shigaite and Bustamite Chemical Formula
While comparing Shigaite 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 Shigaite and Bustamite chemical formula.
>- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Shigaite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Shigaite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.