Precious Opal and Hydrogrossular Physical Properties

Precious Opal and Hydrogrossular Chemical Formula

While comparing Precious Opal and Hydrogrossular 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 Hydrogrossular chemical formula.

• Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
• Chemical formula of Hydrogrossular- hydrogrossular Massive vein s of opaque Grossular Garnet that resembles Jade . It is white to light green in color, and may be colored in a white, green, and pink combination. Hydrogrossular is often regarded as a variety of Grossular, but it is scientifi

Precious Opal and Hydrogrossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Hydrogrossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Hydrogrossular Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 3.25-3.40 whereas that of Hydrogrossular is 3.25-3.40.