Girasol and Crystal Opal Physical Properties

Girasol and Crystal Opal Chemical Formula

While comparing Girasol and Crystal 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 Girasol and Crystal Opal chemical formula.

• Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
• Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Girasol and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Girasol and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Girasol and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Girasol is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.