Linarite and Bustamite Physical Properties

Linarite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

5.353.32-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

1.6 Cleavage

Perfect on {100}, imperfect on {001}

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

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

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

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

Linarite and Bustamite Chemical Formula

While comparing Linarite 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 Linarite and Bustamite chemical formula.

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

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Linarite and Bustamite Specific Gravity

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