Bustamite and Andesine Physical Properties
Tenacity
Not Available
Brittle
Solubility
Partly soluble in HCl.
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.32-3.43
2.65-2.69
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on {001}, good on {010}
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Ca)Al1-2Si3-2O8
Bustamite and Andesine Chemical Formula
While comparing Bustamite and Andesine 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 Andesine chemical formula.
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
Bustamite and Andesine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bustamite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.