Bustamite and Poudretteite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
2.51-2.53
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Splintery
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
None
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Bustamite and Poudretteite Chemical Formula
While comparing Bustamite and Poudretteite 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 Poudretteite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Bustamite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.