Ruby and Linarite Physical Properties

Ruby

Linarite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.055.35

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

No true cleavage

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)

Ruby and Linarite Chemical Formula

While comparing Ruby 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 Ruby and Linarite chemical formula.

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

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Ruby and Linarite Specific Gravity

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