Halite and Willemite Physical Properties

Halite and Willemite Chemical Formula

While comparing Halite and Willemite 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 Halite and Willemite chemical formula.

• Chemical formula of Halite- NaCl
• Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Halite and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Halite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Halite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.