Chlorastrolite and Sugilite Physical Properties

Chlorastrolite and Sugilite Chemical Formula

While comparing Chlorastrolite and Sugilite 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 Chlorastrolite and Sugilite chemical formula.

• Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chlorastrolite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.