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Nepouite
Nepouite

Achroite
Achroite



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Nepouite
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Achroite

Nepouite and Achroite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.24
-
perfect on {001}
2
Ni3(Si2O5)(OH)4
 
-
-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Nepouite and Achroite Chemical Formula

While comparing Nepouite and Achroite 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 Nepouite and Achroite chemical formula.

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Nepouite and Achroite Specific Gravity

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