Sellaite and Sard Physical Properties

Sellaite and Sard Chemical Formula

While comparing Sellaite and Sard 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 Sellaite and Sard chemical formula.

• Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
• Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Sellaite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sellaite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sellaite and Sard Optical Properties during the identification of gemstone. Specific gravity of Sellaite is 2.58-2.63 whereas that of Sard is 2.58-2.63.