Carnelian and Star Sapphire Physical Properties

Carnelian and Star Sapphire Chemical Formula

While comparing Carnelian and Star Sapphire 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 Carnelian and Star Sapphire chemical formula.

• Chemical formula of Carnelian- SiO₂
• Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Carnelian and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.