Linarite and Cordierite Physical Properties

Linarite

Cordierite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.352.57-2.66

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

Perfect on {100}, imperfect on {001}

Fair on {100}, poor on {001} and {010}

Mohs Hardness

2.57-7.5

2 10

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Chemical Composition

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

Mg2Al4Si5O18

Linarite and Cordierite Chemical Formula

While comparing Linarite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Linarite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.