Precious Opal and Cancrinite Physical Properties

Precious Opal and Cancrinite Chemical Formula

While comparing Precious Opal and Cancrinite 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 Cancrinite chemical formula.

• Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
• Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references

Precious Opal and Cancrinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Cancrinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Cancrinite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 2.42-2.52 whereas that of Cancrinite is 2.42-2.52.