Hercynite and Emerald Physical Properties

Hercynite and Emerald Chemical Formula

While comparing Hercynite and Emerald 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 Hercynite and Emerald chemical formula.

• Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
• Chemical formula of Emerald- Be₃Al₂SiO₆

Hercynite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.