While comparing Maw Sit Sit and Fire 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 Maw Sit Sit and Fire Opal chemical formula.
Another important criteria for qualitative analysis of gemstones is Maw Sit Sit and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Maw Sit Sit and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Maw Sit Sit is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.