Amethyst and Blue quartz Physical Properties

Amethyst and Blue quartz Chemical Formula

While comparing Amethyst and Blue quartz 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 Blue quartz chemical formula.

• Chemical formula of Amethyst- SiO₂
• Chemical formula of Blue quartz- SiO2 with dumortierite

Amethyst and Blue quartz Specific Gravity

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