Zircon and Kornerupine Physical Properties

Zircon

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.93-4.733.25-3.45

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{110} and {111}

Good on {110}

1.7 Mohs Hardness

7.56.5

2 10

1.8 Chemical Composition

ZrSiO₄

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Zircon and Kornerupine Chemical Formula

While comparing Zircon and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Zircon and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Zircon is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.