Bertrandite and Linarite Physical Properties

Bertrandite

Linarite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.59-2.605.35

1 7.18

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Fracture

Conchoidal

Cleavage

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

Perfect on {100}, imperfect on {001}

Mohs Hardness

6-72.5

2 10

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Chemical Composition

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

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

Bertrandite and Linarite Chemical Formula

While comparing Bertrandite 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 Bertrandite and Linarite chemical formula.

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

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Bertrandite and Linarite Specific Gravity

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