Coral and Rock Crystal Physical Properties

Coral and Rock Crystal Chemical Formula

While comparing Coral and Rock Crystal 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 Coral and Rock Crystal chemical formula.

• Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
• Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

Coral and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.65 whereas that of Rock Crystal is 2.65.