Apatite and Eilat stone Physical Properties

Apatite and Eilat stone Chemical Formula

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

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

Apatite and Eilat stone Specific Gravity

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