Pollucite and Kornerupine Physical Properties

Pollucite and Kornerupine Chemical Formula

While comparing Pollucite and Kornerupine 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 Kornerupine 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 Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Pollucite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.