Zircon and Ajoite Physical Properties

Zircon

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.93-4.732.96

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

{110} and {111}

Perfect on {010}

1.7 Mohs Hardness

7.55

2 10

1.8 Chemical Composition

ZrSiO₄

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Zircon and Ajoite Chemical Formula

While comparing Zircon and Ajoite 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 Ajoite chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Zircon and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Zircon is 2.96 whereas that of Ajoite is 2.96.