Bustamite and Peridot Physical Properties

Bustamite

Peridot

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partly soluble in HCl.

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.431.54-1.55

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

{100} perfect; {110} and {1 1 0} good; {010} poor

Poor

1.7 Mohs Hardness

5.5-66.5-7

2 10

1.8 Chemical Composition

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Mg,Fe)₂SiO₄

Bustamite and Peridot Chemical Formula

While comparing Bustamite and Peridot 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 Peridot chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Bustamite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.