Tanzanite and Zircon Physical Properties

Tanzanite

Zircon

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.35

3.93-4.73

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010}, imperfect {100}

{110} and {111}

1.7 Mohs Hardness

6.5-7

7.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

ZrSiO₄

Tanzanite and Zircon Chemical Formula

While comparing Tanzanite 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 Tanzanite and Zircon chemical formula.

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

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Tanzanite and Zircon Specific Gravity

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