Zoisite and Zircon Physical Properties

Zoisite

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

3.20-3.50

3.93-4.73

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {010} imperfect {100}

{110} and {111}

1.7 Mohs Hardness

6-7

7.5

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

ZrSiO₄

Zoisite and Zircon Chemical Formula

While comparing Zoisite 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 Zoisite and Zircon chemical formula.

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

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Zoisite Vs Sphene

Zoisite Vs Sunstone

Zoisite and Zircon Specific Gravity

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