Linarite and Bertrandite Physical Properties

Linarite

Bertrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.352.59-2.60

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {100}, imperfect on {001}

{001} Perfect, {110} Distinct, {101} Distinct

Mohs Hardness

2.56-7

2 10

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Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Linarite and Bertrandite Chemical Formula

While comparing Linarite and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Linarite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.