Powellite and Amethyst Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
4.23
2.65
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{111} Distinct
Indiscernible
Chemical Composition
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2
Powellite and Amethyst Chemical Formula
While comparing Powellite 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 Powellite and Amethyst chemical formula.
- Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Amethyst- SiO2
Powellite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Powellite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Powellite is 2.65 whereas that of Amethyst is 2.65.