Marialite and Blue John Physical Properties

Marialite and Blue John Chemical Formula

While comparing Marialite 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 Marialite and Blue John chemical formula.

• Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Marialite and Blue John Specific Gravity

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