Bloodstone Heliotrope and Blue John Physical Properties

Bloodstone Heliotrope and Blue John Chemical Formula

While comparing Bloodstone Heliotrope 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 Bloodstone Heliotrope and Blue John chemical formula.

• Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
• Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Bloodstone Heliotrope and Blue John Specific Gravity

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