Apophyllite and Alabaster Physical Properties

Apophyllite and Alabaster Chemical Formula

While comparing Apophyllite and Alabaster 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 Alabaster chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Apophyllite and Alabaster Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.30 whereas that of Alabaster is 2.30.