Linarite and Allanite Physical Properties

Linarite

Allanite

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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

5.353.40-4.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Not Available

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

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

Not Available

Linarite and Allanite Chemical Formula

While comparing Linarite and Allanite 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 Allanite chemical formula.

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

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Linarite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.