Alabaster and Tortoiseshell Physical Properties

Alabaster and Tortoiseshell Chemical Formula

While comparing Alabaster and Tortoiseshell 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 Tortoiseshell chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Alabaster and Tortoiseshell Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Tortoiseshell Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 1.25-1.35 whereas that of Tortoiseshell is 1.25-1.35.