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