Zircon and Tanzanite Physical Properties

Zircon

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.93-4.73

3.35

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} and {111}

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

7.5

6.5-7

1.8 Chemical Composition

ZrSiO₄

Ca₂Al₃(SiO₄)₃(OH)

Zircon and Tanzanite Chemical Formula

While comparing Zircon and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Zircon and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Zircon is 3.35 whereas that of Tanzanite is 3.35.