Amethyst and Marialite Physical Properties
Tenacity
Not Available
Brittle
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.50
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Indiscernible
Distinct on {100} and {110}
Chemical Composition
SiO2
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Amethyst and Marialite Chemical Formula
While comparing Amethyst and Marialite 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 Marialite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Amethyst and Marialite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Marialite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.50 whereas that of Marialite is 2.50.