Augite and Bustamite Physical Properties
Solubility
-
Partly soluble in HCl.
Specific Gravity
3.19-3.56
3.32-3.43
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} Perfect, {010} Indistinct
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
5.5-6
5.5-6
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augite and Bustamite Chemical Formula
While comparing Augite 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 Augite and Bustamite chemical formula.
- Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Augite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.