Eilat stone and Sugilite Physical Properties

Eilat stone and Sugilite Chemical Formula

While comparing Eilat stone and Sugilite 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 Eilat stone and Sugilite chemical formula.

• Chemical formula of Eilat stone- Cu3(PO4)(OH)3
• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Eilat stone and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eilat stone and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eilat stone and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Eilat stone is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.