Sapphire and Linarite Physical Properties

Sapphire

Linarite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.035.35

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

None, but may exhibit parting

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

92.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Linarite Chemical Formula

While comparing Sapphire 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 Sapphire and Linarite chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Sapphire and Linarite Specific Gravity

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