Ruby and Zircon Physical Properties

Ruby

Zircon

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.053.93-4.73

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

No true cleavage

{110} and {111}

1.7 Mohs Hardness

97.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

ZrSiO₄

Ruby and Zircon Chemical Formula

While comparing Ruby and Zircon 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 Zircon chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Zircon- ZrSiO₄

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Ruby and Zircon Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Zircon Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Zircon Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.93-4.73 whereas that of Zircon is 3.93-4.73.