Chalcedony and Hardystonite Physical Properties

Chalcedony and Hardystonite Chemical Formula

While comparing Chalcedony and Hardystonite 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 Chalcedony and Hardystonite chemical formula.

• Chemical formula of Chalcedony- SiO₂
• Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Chalcedony and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.