Linarite and Shigaite Physical Properties

Linarite

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.352.32

1 7.18

1.5 Fracture

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

Flexible Flexible fragments.

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Perfect on {0001}

1.7 Mohs Hardness

2.52

2 10

1.8 Chemical Composition

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

Not Available

Linarite and Shigaite Chemical Formula

While comparing Linarite and Shigaite 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 Shigaite chemical formula.

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

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Linarite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.32 whereas that of Shigaite is 2.32.