Thulite and Selenite Physical Properties

Thulite and Selenite Chemical Formula

While comparing Thulite and Selenite 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 Thulite and Selenite chemical formula.

• Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
• Chemical formula of Selenite- CaSO4·2H2O

Thulite and Selenite Specific Gravity

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