Linarite and Augelite Physical Properties

Linarite

Augelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.352.70-2.75

1 7.18

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Fracture

Conchoidal

Cleavage

Perfect on {100}, imperfect on {001}

From the Greek for luster, for its pearly luster on the cleavage.

Mohs Hardness

2.54.5-5

2 10

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Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Linarite and Augelite Chemical Formula

While comparing Linarite and Augelite 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 Augelite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Linarite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.