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Smithsonite
Smithsonite

Nepouite
Nepouite



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Smithsonite
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Nepouite

Smithsonite and Nepouite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.00-4.653.18-3.24
1 7.18
👆🏻

Fracture

Uneven, Sub-Conchoidal
-

Cleavage

Perfect on [1011]
perfect on {001}

Mohs Hardness

5-5.52
2 10
👆🏻

Chemical Composition

ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ni3(Si2O5)(OH)4

Smithsonite and Nepouite Chemical Formula

While comparing Smithsonite 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 Smithsonite and Nepouite chemical formula.

  • Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Nepouite- Ni3(Si2O5)(OH)4

Smithsonite and Nepouite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Nepouite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Nepouite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.18-3.24 whereas that of Nepouite is 3.18-3.24.