Blue John and Scolecite Physical Properties

Blue John and Scolecite Chemical Formula

While comparing Blue John and Scolecite 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 Blue John and Scolecite chemical formula.

• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Blue John and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Blue John is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.