Alabaster and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30
2.77
Fracture
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Not Available
Perfect [001] good [010] poor [110]
Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Alabaster and Anorthite Chemical Formula
While comparing Alabaster and Anorthite 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 Anorthite chemical formula.
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Alabaster and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alabaster and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.77 whereas that of Anorthite is 2.77.