Zircon and Ruby Physical Properties

Zircon

Ruby

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.93-4.733.97-4.05

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

{110} and {111}

No true cleavage

1.7 Mohs Hardness

7.59

2 10

1.8 Chemical Composition

ZrSiO₄

Al ₂ O ₃

Zircon and Ruby Chemical Formula

While comparing Zircon and Ruby 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 Zircon and Ruby chemical formula.

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

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Zircon and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Ruby Optical Properties during the identification of gemstone. Specific gravity of Zircon is 3.97-4.05 whereas that of Ruby is 3.97-4.05.