Chlorastrolite and Obsidian Physical Properties

Chlorastrolite and Obsidian Chemical Formula

While comparing Chlorastrolite and Obsidian 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 Obsidian 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)
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Chlorastrolite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.