Esperite and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
4.28-4.42
2.65
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Distinct on [010] and [100] poor on [101]
Indiscernible
Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
SiO2
Esperite and Amethyst Chemical Formula
While comparing Esperite 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 Esperite and Amethyst chemical formula.
- Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Amethyst- SiO2
Esperite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Esperite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.65 whereas that of Amethyst is 2.65.