Johachidolite and Black Opal Physical Properties

Johachidolite and Black Opal Chemical Formula

While comparing Johachidolite and Black Opal 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 Johachidolite and Black Opal chemical formula.

• Chemical formula of Johachidolite- CaAlB 3O 7Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Johachidolite and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Johachidolite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Johachidolite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Johachidolite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.