Hollandite and Austinite Physical Properties

Hollandite and Austinite Chemical Formula

While comparing Hollandite and Austinite 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 Austinite chemical formula.

• Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
• Chemical formula of Austinite- CaZn(AsO4)(OH)

Hollandite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 4.12 whereas that of Austinite is 4.12.