While comparing Microlite and Star Ruby 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 Microlite and Star Ruby chemical formula.
Another important criteria for qualitative analysis of gemstones is Microlite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microlite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Microlite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.