Monazite and Zircon Physical Properties

Monazite

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

4.80-5.503.93-4.73

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

{110} and {111}

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

ZrSiO₄

Monazite and Zircon Chemical Formula

While comparing Monazite 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 Monazite and Zircon chemical formula.

Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Zircon- ZrSiO₄

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Monazite and Zircon Specific Gravity

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