Emerald and Kyanite Physical Properties

Emerald and Kyanite Chemical Formula

While comparing Emerald and Kyanite 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 Emerald and Kyanite chemical formula.

• Chemical formula of Emerald- Be₃Al₂SiO₆
• Chemical formula of Kyanite- Al2SiO5

Emerald and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.