Topaz and Goshenite Physical Properties

Topaz and Goshenite Chemical Formula

While comparing Topaz and Goshenite 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 Topaz and Goshenite chemical formula.

• Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
• Chemical formula of Goshenite- Be₃Al₂SiO₆

Topaz and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.