Sapphire and Variscite Physical Properties

Sapphire and Variscite Chemical Formula

While comparing Sapphire and Variscite 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 Sapphire and Variscite chemical formula.

• Chemical formula of Sapphire- Al ₂ O ₃
• Chemical formula of Variscite- AlPO₄ · 2(H₂O)

Sapphire and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Variscite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.42-2.58 whereas that of Variscite is 2.42-2.58.