Fuchsite and Common Opal Physical Properties

Fuchsite and Common Opal Chemical Formula

While comparing Fuchsite and Common 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 Fuchsite and Common Opal chemical formula.

• Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
• Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Fuchsite and Common Opal Specific Gravity

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