Pyrite and Amethyst Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble in water
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
5.00-5.20
2.65
Fracture
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Indistinct on {001}; partings on {011} and {111}
Indiscernible
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Pyrite and Amethyst Chemical Formula
While comparing Pyrite 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 Pyrite and Amethyst chemical formula.
- Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Amethyst- SiO2
Pyrite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.65 whereas that of Amethyst is 2.65.