Apatite and Larvikite Physical Properties

Apatite and Larvikite Chemical Formula

While comparing Apatite and Larvikite 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 Larvikite 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 Larvikite- (Na,Ca)2(Fe2+,Mg)3Si3O10

Apatite and Larvikite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Larvikite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Larvikite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.59 whereas that of Larvikite is 2.59.