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Sylvite
Sylvite

Monazite
Monazite



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Sylvite
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Monazite

Sylvite and Monazite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.9934.80-5.50
1 7.18
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Fracture

Uneven
-

Cleavage

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

Mohs Hardness

2.55-5.5
2 10
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Chemical Composition

KCl
(Ce,La,Nd,Th)PO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sylvite and Monazite Chemical Formula

While comparing Sylvite and Monazite 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 Sylvite and Monazite chemical formula.

  • Chemical formula of Sylvite- KCl
  • Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Sylvite and Monazite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Monazite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Monazite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 4.80-5.50 whereas that of Monazite is 4.80-5.50.