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Allanite
Allanite

Nepouite
Nepouite



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Allanite
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Nepouite

Allanite and Nepouite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.40-4.20
-
Indistinct
-9999
Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)
 
-
-
-
3.18-3.24
-
perfect on {001}
2
Ni3(Si2O5)(OH)4

Allanite and Nepouite Chemical Formula

While comparing Allanite and Nepouite 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 Allanite and Nepouite chemical formula.

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Allanite and Nepouite Specific Gravity

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