Wernerite and Bustamite Physical Properties
Solubility
-
Partly soluble in HCl.
Specific Gravity
2.50-2.80
3.32-3.43
Cleavage
Perfect
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
5-6.5
5.5-6
Chemical Composition
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wernerite and Bustamite Chemical Formula
While comparing Wernerite 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 Wernerite and Bustamite chemical formula.
- Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Wernerite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wernerite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wernerite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Wernerite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.