Goshenite and Blue John Physical Properties

Goshenite and Blue John Chemical Formula

While comparing Goshenite 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 Goshenite and Blue John chemical formula.

• Chemical formula of Goshenite- Be₃Al₂SiO₆
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Goshenite and Blue John Specific Gravity

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