Piemontite and Linarite Physical Properties

Piemontite

Linarite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available5.35

1 7.18

1.5 Fracture

Uneven, Splintery

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

1.6 Cleavage

[001] good, [100] distinct

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

Not Available

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

Piemontite and Linarite Chemical Formula

While comparing Piemontite 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 Piemontite and Linarite chemical formula.

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

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Piemontite and Linarite Specific Gravity

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