Monazite and Iolite Physical Properties

Monazite

Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-5.502.6-2.7

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

3,1

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Monazite and Iolite Chemical Formula

While comparing Monazite and Iolite 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 Iolite chemical formula.

Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Monazite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Monazite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Monazite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Monazite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.