Pyrope Spessartine and Star Ruby Physical Properties

Pyrope Spessartine and Star Ruby Chemical Formula

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

• Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Spessartine and Star Ruby Specific Gravity

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