Zircon and White Opal Physical Properties

Zircon

White Opal

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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

3.93-4.73

1.98-2.50

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{110} and {111}

Not Available

1.7 Mohs Hardness

7.5

5.5-6.5

1.8 Chemical Composition

ZrSiO₄

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Zircon and White Opal Chemical Formula

While comparing Zircon and White Opal 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 White Opal chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Zircon and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and White Opal Optical Properties during the identification of gemstone. Specific gravity of Zircon is 1.98-2.50 whereas that of White Opal is 1.98-2.50.