Kyanite and Agrellite Physical Properties

Kyanite and Agrellite Chemical Formula

While comparing Kyanite and Agrellite 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 Kyanite and Agrellite chemical formula.

• Chemical formula of Kyanite- Al2SiO5
• Chemical formula of Agrellite- NaCa2Si4O10F

Kyanite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.88 whereas that of Agrellite is 2.88.