Precious Opal and Angelite Physical Properties

Precious Opal and Angelite Chemical Formula

While comparing Precious Opal and Angelite 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 Precious Opal and Angelite chemical formula.

• Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
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Precious Opal and Angelite Specific Gravity

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