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Piemontite
Piemontite

Bustamite
Bustamite



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Piemontite
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Bustamite

Piemontite and Bustamite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Partly soluble in HCl.
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available
3.32-3.43
1.5 Fracture
Uneven, Splintery
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
[001] good, [100] distinct
{100} perfect; {110} and {1 1 0} good; {010} poor
1.7 Mohs Hardness
6-6.5
5.5-6
1.8 Chemical Composition
Not Available
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Piemontite and Bustamite Chemical Formula

While comparing Piemontite 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 Piemontite and Bustamite chemical formula.

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  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Piemontite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Piemontite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.