Star Ruby and Johachidolite Physical Properties

Star Ruby and Johachidolite Chemical Formula

While comparing Star Ruby and Johachidolite 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 Star Ruby and Johachidolite chemical formula.

• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Johachidolite- CaAlB 3O 7Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Johachidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.45 whereas that of Johachidolite is 3.45.