Quartz and Zircon Physical Properties

Quartz

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

2.65

3.93-4.73

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{0110} Indistinct

{110} and {111}

1.7 Mohs Hardness

7.5

1.8 Chemical Composition

SiO₂

ZrSiO₄

Quartz and Zircon Chemical Formula

While comparing Quartz 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 Quartz and Zircon chemical formula.

Chemical formula of Quartz- SiO₂
Chemical formula of Zircon- ZrSiO₄

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Quartz and Zircon Specific Gravity

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