Bustamite and Vesuvianite Physical Properties

Bustamite

Vesuvianite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.32-3.433.32-3.43

1 7.18

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Fracture

Conchoidal

Cleavage

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

Poor on {110} and {100} very poor on {001}

Mohs Hardness

5.5-66-7

2 10

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Chemical Composition

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

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Bustamite and Vesuvianite Chemical Formula

While comparing Bustamite and Vesuvianite 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 Vesuvianite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Compare Red Gemstones

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Bustamite and Vesuvianite Specific Gravity

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