Linarite and Gahnite Physical Properties

Linarite

Gahnite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.354.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Indistinct parting on [111]

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Linarite and Gahnite Chemical Formula

While comparing Linarite and Gahnite 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 Gahnite chemical formula.

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

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Linarite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.