Linarite and Sellaite Physical Properties

Linarite

Sellaite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.353.14-3.16

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Perfect on {010} and {110}

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

Linarite and Sellaite Chemical Formula

While comparing Linarite and Sellaite 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 Sellaite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Linarite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.