Hodgkinsonite and Star Ruby Physical Properties

Hodgkinsonite and Star Ruby Chemical Formula

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

• Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Hodgkinsonite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.