Allanite and Smaragdite Physical Properties

Allanite and Smaragdite Chemical Formula

While comparing Allanite and Smaragdite 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 Allanite and Smaragdite chemical formula.

• Chemical formula of Allanite- Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)
• Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4

Allanite and Smaragdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Smaragdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Smaragdite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 3.24-3.50 whereas that of Smaragdite is 3.24-3.50.