Friedelite and Sellaite Physical Properties

Friedelite and Sellaite Chemical Formula

While comparing Friedelite and Sellaite 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 Friedelite and Sellaite chemical formula.

• Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
• Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

Friedelite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.