Bustamite and Bytownite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
2.72-2.75
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on [001], good on [010], imperfect on [110]
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Bustamite and Bytownite Chemical Formula
While comparing Bustamite and Bytownite 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 Bytownite chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Bustamite and Bytownite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.