Polyhalite and Zircon Physical Properties

Polyhalite

Zircon

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.93-4.73

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

{110} and {111}

1.7 Mohs Hardness

3.57.5

2 10

1.8 Chemical Composition

Not Available

ZrSiO₄

Polyhalite and Zircon Chemical Formula

While comparing Polyhalite 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 Polyhalite and Zircon chemical formula.

Chemical formula of Zircon- ZrSiO₄

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Polyhalite and Zircon Specific Gravity

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