Star Ruby and Pyrope Garnet Physical Properties

Star Ruby and Pyrope Garnet Chemical Formula

While comparing Star Ruby and Pyrope Garnet 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 Pyrope Garnet chemical formula.

• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Pyrope Garnet- Mg₃Al₂Si₃O₁₂

Star Ruby and Pyrope Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Pyrope Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Pyrope Garnet Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.5-3.6 whereas that of Pyrope Garnet is 3.5-3.6.