Mimetite and Amethyst Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
7.10
2.65
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
[10 1 1] Imperfect
Indiscernible
Chemical Composition
Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Mimetite and Amethyst Chemical Formula
While comparing Mimetite 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 Mimetite and Amethyst chemical formula.
- Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Amethyst- SiO2
Mimetite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mimetite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 2.65 whereas that of Amethyst is 2.65.