Hollandite and Obsidian Physical Properties

Hollandite and Obsidian Chemical Formula

While comparing Hollandite 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 Hollandite and Obsidian chemical formula.

• Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
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Hollandite and Obsidian Specific Gravity

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