Amethyst and Witherite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
4.27-4.35
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Indiscernible
{010} Distinct
Chemical Composition
SiO2
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Witherite Chemical Formula
While comparing Amethyst and Witherite 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 Amethyst and Witherite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Witherite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Witherite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 4.27-4.35 whereas that of Witherite is 4.27-4.35.