Amethyst and Gedrite Physical Properties

Amethyst and Gedrite Chemical Formula

While comparing Amethyst and Gedrite 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 Gedrite chemical formula.

• Chemical formula of Amethyst- SiO₂
• Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Amethyst and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.