Ruby and Smithsonite Physical Properties

Ruby

Smithsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.054.00-4.65

1 7.18

1.5 Fracture

Conchoidal

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

No true cleavage

Perfect on [1011]

1.7 Mohs Hardness

95-5.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ruby and Smithsonite Chemical Formula

While comparing Ruby and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ruby and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.