Elbaite and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
2.90-3.10
2.65
Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Poor/indistinct on {1120} and {1011}
Indiscernible
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
SiO2
Elbaite and Amethyst Chemical Formula
While comparing Elbaite and Amethyst 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 Elbaite and Amethyst chemical formula.
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
- Chemical formula of Amethyst- SiO2
Elbaite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Elbaite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.65 whereas that of Amethyst is 2.65.