Blue John and Marble Physical Properties

Blue John and Marble Chemical Formula

While comparing Blue John and Marble 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 Marble chemical formula.

• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Marble- CaCO3

Blue John and Marble Specific Gravity

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