Willemite and Moldavite Physical Properties

Willemite and Moldavite Chemical Formula

While comparing Willemite and Moldavite 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 Willemite and Moldavite chemical formula.

• Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Willemite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.