Mimetite and Spinel Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
none
Durability
Not Available
Not Available
Specific Gravity
7.10
3.64-3.66
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
[10 1 1] Imperfect
None, but may exhibit slight parting
Chemical Composition
Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4
Mimetite and Spinel Chemical Formula
While comparing Mimetite and Spinel 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 Spinel chemical formula.
- Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Spinel- MgAl2O4
Mimetite and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mimetite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mimetite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Mimetite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.