Milk Opal and Pollucite Physical Properties

Milk Opal and Pollucite Chemical Formula

While comparing Milk Opal and Pollucite 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 Milk Opal and Pollucite chemical formula.

• Chemical formula of Milk Opal- SiO2·nH2O
• Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Milk Opal and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milk Opal and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milk Opal and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Milk Opal is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.