Opal Australia and Gedrite Physical Properties

Opal Australia and Gedrite Chemical Formula

While comparing Opal Australia and Gedrite 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 Opal Australia and Gedrite chemical formula.

• Chemical formula of Opal Australia- SiO2*nH2O
• Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Opal Australia and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Australia and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Australia and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Opal Australia is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.