Alabaster and Allanite Physical Properties

Alabaster and Allanite Chemical Formula

While comparing Alabaster 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 Alabaster and Allanite chemical formula.

• Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
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Alabaster and Allanite Specific Gravity

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