Bustamite and Emerald Physical Properties
Tenacity
Not Available
Not Available
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Hard
Specific Gravity
3.32-3.43
2.67-2.78
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Imperfect on the [0001]
Mohs Hardness
5.5-6
7.5-8
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
Bustamite and Emerald Chemical Formula
While comparing Bustamite and Emerald 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 Bustamite and Emerald chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Emerald- Be3Al2SiO6
Bustamite and Emerald Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.