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Alunite
Alunite

Monazite
Monazite



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Alunite
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Monazite

Alunite and Monazite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.6-2.9
Conchoidal, Uneven
On {0001}, perfect
3.5-4
KAl3(SO4)2(OH)6
 
-
-
-
4.80-5.50
-
Indistinct
5-5.5
(Ce,La,Nd,Th)PO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Alunite and Monazite Chemical Formula

While comparing Alunite 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 Alunite and Monazite chemical formula.

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Alunite and Monazite Specific Gravity

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