Amethyst and Moonstone Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.56-2.60
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Indiscernible
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Chemical Composition
SiO2
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Amethyst and Moonstone Chemical Formula
While comparing Amethyst 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 Amethyst and Moonstone chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Amethyst and Moonstone Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.