Plasma and Blue John Physical Properties

Plasma and Blue John Chemical Formula

While comparing Plasma 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 Plasma and Blue John chemical formula.

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

Plasma and Blue John Specific Gravity

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