Linarite and Labradorite Physical Properties

Linarite

Labradorite

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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

5.352.69-2.72

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Linarite and Labradorite Chemical Formula

While comparing Linarite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Linarite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.