Linarite and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
5.35
2.65
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on {100}, imperfect on {001}
Indiscernible
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2
Linarite and Amethyst Chemical Formula
While comparing Linarite 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 Linarite and Amethyst chemical formula.
- Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Amethyst- SiO2
Linarite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Linarite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Linarite is 2.65 whereas that of Amethyst is 2.65.