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