Chlorastrolite and Sinhalite Physical Properties

Chlorastrolite and Sinhalite Chemical Formula

While comparing Chlorastrolite and Sinhalite 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 Sinhalite 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 Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chlorastrolite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.