Amethyst and Starlite Physical Properties

Amethyst and Starlite Chemical Formula

While comparing Amethyst and Starlite 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 Amethyst and Starlite chemical formula.

• Chemical formula of Amethyst- SiO₂
• Chemical formula of Starlite- ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Amethyst and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Starlite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.91-4.73 whereas that of Starlite is 3.91-4.73.