Emerald and Linarite Physical Properties

Emerald

Linarite

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Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

2.67-2.785.35

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

Imperfect on the [0001]

Perfect on {100}, imperfect on {001}

Mohs Hardness

7.5-82.5

2 10

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Chemical Composition

Be₃Al₂SiO₆

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

Emerald and Linarite Chemical Formula

While comparing Emerald 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 Emerald and Linarite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Emerald and Linarite Specific Gravity

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