Monazite and Sylvite Physical Properties

Monazite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-5.501.993

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle

1.6 Cleavage

Not Available

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5-5.52.5

2 10

1.8 Chemical Composition

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

Not Available

Monazite and Sylvite Chemical Formula

While comparing Monazite and Sylvite 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 Sylvite chemical formula.

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

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Monazite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Monazite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Monazite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Monazite is 1.993 whereas that of Sylvite is 1.993.