Almandine and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
3.95-4.30
2.65
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
none
Indiscernible
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
SiO2
Almandine and Amethyst Chemical Formula
While comparing Almandine 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 Almandine and Amethyst chemical formula.
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Amethyst- SiO2
Almandine and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Almandine and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.65 whereas that of Amethyst is 2.65.