Jacobsite and Allanite Physical Properties

Jacobsite and Allanite Chemical Formula

While comparing Jacobsite and Allanite 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 Jacobsite and Allanite chemical formula.

• Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
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Jacobsite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.