Poudretteite and Zircon Physical Properties

Poudretteite

Zircon

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.533.93-4.73

1 7.18

1.5 Fracture

Conchoidal, Splintery

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

{110} and {111}

1.7 Mohs Hardness

57.5

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

ZrSiO₄

Poudretteite and Zircon Chemical Formula

While comparing Poudretteite 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 Poudretteite and Zircon chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Zircon- ZrSiO₄

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Poudretteite Vs Rubellite

Poudretteite and Zircon Specific Gravity

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