Eilat stone and Apatite Physical Properties

Eilat stone and Apatite Chemical Formula

While comparing Eilat stone and Apatite 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 Apatite chemical formula.

• Chemical formula of Eilat stone- Cu3(PO4)(OH)3
• Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Eilat stone and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eilat stone and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eilat stone and Apatite Optical Properties during the identification of gemstone. Specific gravity of Eilat stone is 3.16-3.23 whereas that of Apatite is 3.16-3.23.