Apophyllite and Allanite Physical Properties

Apophyllite and Allanite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Allanite chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
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Apophyllite and Allanite Specific Gravity

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