Fluor buergerite and Blue John Physical Properties

Fluor buergerite and Blue John Chemical Formula

While comparing Fluor buergerite 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 Fluor buergerite and Blue John chemical formula.

• Chemical formula of Fluor buergerite- NaFe 3+ 3 Al 6 (BO 3 ) 3 Si 6 O 18 (O,F,OH) 4 Anthony et al, Handbook of mineralogy (2001)
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Fluor buergerite and Blue John Specific Gravity

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