Shigaite and Sardonyx Physical Properties

Shigaite and Sardonyx Chemical Formula

While comparing Shigaite and Sardonyx 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 Shigaite and Sardonyx chemical formula.

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• Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Shigaite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.