Variscite and Zircon Physical Properties

Variscite

Zircon

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.42-2.58

3.93-4.73

1.5 Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[010] perfect

{110} and {111}

1.7 Mohs Hardness

4-5

7.5

1.8 Chemical Composition

AlPO₄ · 2(H₂O)

ZrSiO₄

Variscite and Zircon Chemical Formula

While comparing Variscite 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 Variscite and Zircon chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Zircon- ZrSiO₄

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Variscite and Zircon Specific Gravity

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