Thomsonite and Zinnwaldite Physical Properties

Thomsonite and Zinnwaldite Chemical Formula

While comparing Thomsonite and Zinnwaldite 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 Zinnwaldite 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 Zinnwaldite- -

Thomsonite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thomsonite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thomsonite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Thomsonite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.