Opal and Milky quartz Physical Properties

Opal and Milky quartz Chemical Formula

While comparing Opal and Milky quartz 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 Opal and Milky quartz chemical formula.

• Chemical formula of Opal- SiO₂ · nH₂O
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Opal and Milky quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Milky quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Milky quartz Optical Properties during the identification of gemstone. Specific gravity of Opal is Not Available whereas that of Milky quartz is Not Available.