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Goethite
Goethite

Nepouite
Nepouite



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Goethite
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Nepouite

Goethite and Nepouite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
HCl soluble
-
4.27-4.29
Uneven
Perfect {010}
5-5.5
FeO(OH)Arthur Thomas , Gemstones (2009)
 
-
-
-
3.18-3.24
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perfect on {001}
2
Ni3(Si2O5)(OH)4

Goethite and Nepouite Chemical Formula

While comparing Goethite 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 Goethite and Nepouite chemical formula.

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Goethite and Nepouite Specific Gravity

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