Boleite and Blue John Physical Properties

Boleite and Blue John Chemical Formula

While comparing Boleite 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 Boleite and Blue John chemical formula.

• Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Boleite and Blue John Specific Gravity

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