Sapphire and Bustamite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Partly soluble in HCl.
Durability
Not Available
Not Available
Specific Gravity
3.95-4.03
3.32-3.43
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
None, but may exhibit parting
{100} perfect; {110} and {1 1 0} good; {010} poor
Chemical Composition
Al 2 O 3
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sapphire and Bustamite Chemical Formula
While comparing Sapphire 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 Sapphire and Bustamite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sapphire and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.
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