Thomsonite and Milk Opal Physical Properties

Thomsonite and Milk Opal Chemical Formula

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

• Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Milk Opal- SiO2·nH2O

Thomsonite and Milk Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thomsonite and Milk Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thomsonite and Milk Opal Optical Properties during the identification of gemstone. Specific gravity of Thomsonite is 1.98-2.50 whereas that of Milk Opal is 1.98-2.50.