Fire Opal and Spessartine Physical Properties

Fire Opal and Spessartine Chemical Formula

While comparing Fire Opal and Spessartine 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 Fire Opal and Spessartine chemical formula.

• Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
• Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fire Opal and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.