Bustamite and Linarite Physical Properties

Bustamite

Linarite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.32-3.435.35

1 7.18

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Fracture

Conchoidal

Cleavage

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

Perfect on {100}, imperfect on {001}

Mohs Hardness

5.5-62.5

2 10

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Chemical Composition

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

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Bustamite and Linarite Chemical Formula

While comparing Bustamite and Linarite 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 Linarite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bustamite and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Linarite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 5.35 whereas that of Linarite is 5.35.