Jet and Obsidian Physical Properties

Jet and Obsidian Chemical Formula

While comparing Jet and Obsidian 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 Jet and Obsidian chemical formula.

• Chemical formula of Jet- C
• Chemical formula of Obsidian- SiO2

Jet and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Jet is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.