Ekanite and Blue John Physical Properties

Ekanite and Blue John Chemical Formula

While comparing Ekanite and Blue John 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 Ekanite and Blue John chemical formula.

• Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Ekanite and Blue John Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ekanite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ekanite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Ekanite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.