Matrix Opal and Obsidian Physical Properties

Matrix Opal and Obsidian Chemical Formula

While comparing Matrix Opal 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 Matrix Opal and Obsidian chemical formula.

• Chemical formula of Matrix Opal- SiO2·nH2O
• Chemical formula of Obsidian- SiO2

Matrix Opal and Obsidian Specific Gravity

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