Augelite and Bustamite Physical Properties
Solubility
-
Partly soluble in HCl.
Specific Gravity
2.70-2.75
3.32-3.43
Fracture
Conchoidal
Conchoidal
Cleavage
From the Greek for luster, for its pearly luster on the cleavage.
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
4.5-5
5.5-6
Chemical Composition
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augelite and Bustamite Chemical Formula
While comparing Augelite 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 Augelite and Bustamite chemical formula.
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augelite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augelite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.