Carletonite and Blue John Physical Properties

Carletonite and Blue John Chemical Formula

While comparing Carletonite 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 Carletonite and Blue John chemical formula.

• Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Carletonite and Blue John Specific Gravity

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