Transvaal Jade and Blue John Physical Properties

Transvaal Jade and Blue John Chemical Formula

While comparing Transvaal Jade 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 Transvaal Jade and Blue John chemical formula.

• Chemical formula of Transvaal Jade- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Transvaal Jade and Blue John Specific Gravity

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