Willemite and Tourmaline Physical Properties

Willemite and Tourmaline Chemical Formula

While comparing Willemite and Tourmaline 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 Tourmaline chemical formula.

• Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Willemite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.