Ulexite and Willemite Physical Properties

Ulexite and Willemite Chemical Formula

While comparing Ulexite 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 Ulexite and Willemite chemical formula.

• Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ulexite and Willemite Specific Gravity

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