Pollucite and Spinel Physical Properties

Pollucite and Spinel Chemical Formula

While comparing Pollucite and Spinel 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 Pollucite and Spinel chemical formula.

• Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
• Chemical formula of Spinel- MgAl₂O₄

Pollucite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.