Opal and Montebrasite Physical Properties

Opal and Montebrasite Chemical Formula

While comparing Opal and Montebrasite 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 and Montebrasite chemical formula.

• Chemical formula of Opal- SiO₂ · nH₂O
• Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Opal and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Opal is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.