Sphene and Agate Opal Physical Properties

Sphene and Agate Opal Chemical Formula

While comparing Sphene and Agate Opal 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 Sphene and Agate Opal chemical formula.

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• Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Sphene and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphene and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphene and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Sphene is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.