Wardite and Precious Opal Physical Properties

Wardite and Precious Opal Chemical Formula

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

• Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Wardite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wardite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wardite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Wardite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.