Sogdianite and Star Sapphire Physical Properties

Sogdianite and Star Sapphire Chemical Formula

While comparing Sogdianite 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 Sogdianite and Star Sapphire chemical formula.

• Chemical formula of Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.
• Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Sogdianite and Star Sapphire Specific Gravity

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