Inderite and Achroite Physical Properties

Inderite and Achroite Chemical Formula

While comparing Inderite and Achroite 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 Inderite and Achroite chemical formula.

• Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Achroite- 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.

Inderite and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Inderite and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Inderite and Achroite Optical Properties during the identification of gemstone. Specific gravity of Inderite is 2.90-3.40 whereas that of Achroite is 2.90-3.40.