Alabaster and Moonstone Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30
2.56-2.60
Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Alabaster and Moonstone Chemical Formula
While comparing Alabaster and Moonstone 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 Moonstone chemical formula.
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Alabaster and Moonstone Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alabaster and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.