Linarite and Erythrite Physical Properties

Linarite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.353.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Linarite and Erythrite Chemical Formula

While comparing Linarite and Erythrite 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 Erythrite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Linarite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 3.06 whereas that of Erythrite is 3.06.