Langbeinite and Bustamite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Slowly dissolves in water
Partly soluble in HCl.
Durability
Not Available
Not Available
Specific Gravity
Not Available
3.32-3.43
Fracture
Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
None
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
3.5-4
5.5-6
Chemical Composition
Not Available
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Langbeinite and Bustamite Chemical Formula
While comparing Langbeinite 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 Langbeinite and Bustamite chemical formula.
>- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Langbeinite and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Langbeinite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.