Monazite and Cinnabar Physical Properties

Monazite

Cinnabar

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Physical Properties

Tenacity

Slightly sectile

Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Durability

Specific Gravity

4.80-5.502

1 7.18

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Fracture

Uneven

Cleavage

Indistinct

Prismatic {10 1 0}, perfect

Mohs Hardness

5-5.52-2.5

2 10

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Chemical Composition

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

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Monazite and Cinnabar Chemical Formula

While comparing Monazite and Cinnabar 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 Cinnabar chemical formula.

Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

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Monazite and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Monazite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Monazite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Monazite is 2 whereas that of Cinnabar is 2.