Zircon and Apophyllite Physical Properties

Zircon

Apophyllite

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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

2.30-2.50

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} and {111}

Perfect on (001)

1.7 Mohs Hardness

7.5

4.5-5

1.8 Chemical Composition

ZrSiO₄

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Zircon and Apophyllite Chemical Formula

While comparing Zircon and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Zircon and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Zircon is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.