Indicolite Blue Tourmaline and Natrolite Physical Properties

Indicolite Blue Tourmaline and Natrolite Chemical Formula

While comparing Indicolite Blue Tourmaline and Natrolite 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 Indicolite Blue Tourmaline and Natrolite chemical formula.

• 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.
• Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Indicolite Blue Tourmaline and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Indicolite Blue Tourmaline and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite Blue Tourmaline and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Indicolite Blue Tourmaline is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.