Bastnasite and Sard Physical Properties

Bastnasite and Sard Chemical Formula

While comparing Bastnasite 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 Bastnasite and Sard chemical formula.

• Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Bastnasite and Sard Specific Gravity

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