Apatite and Sylvite Physical Properties

Apatite and Sylvite Chemical Formula

While comparing Apatite and Sylvite 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 Sylvite 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 Sylvite- KCl

Apatite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 1.993 whereas that of Sylvite is 1.993.