Apatite and Indicolite Blue Tourmaline Physical Properties

Apatite and Indicolite Blue Tourmaline Chemical Formula

While comparing Apatite and Indicolite Blue Tourmaline 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 Indicolite Blue Tourmaline 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 Indicolite Blue Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Apatite and Indicolite Blue Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.