Apache Tear and Bustamite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partly soluble in HCl.
Durability
Not Available
Not Available
Specific Gravity
Not Available
3.32-3.43
Fracture
Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
5-5.5
5.5-6
Chemical Composition
Not Available
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Apache Tear and Bustamite Chemical Formula
While comparing Apache Tear 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 Apache Tear and Bustamite chemical formula.
>- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Apache Tear and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apache Tear and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apache Tear and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Apache Tear is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.