Amethyst and Nepouite Physical Properties

Amethyst and Nepouite Chemical Formula

While comparing Amethyst 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 Amethyst and Nepouite chemical formula.

• Chemical formula of Amethyst- SiO₂
• Chemical formula of Nepouite- Ni3(Si2O5)(OH)4

Amethyst and Nepouite Specific Gravity

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