Manganotantalite and Lapis lazuli Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
2.50-3.00
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Not Available
3,6
Mohs Hardness
5.5-6.5
5.5
Chemical Composition
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Manganotantalite and Lapis lazuli Chemical Formula
While comparing Manganotantalite and Lapis lazuli 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 Manganotantalite and Lapis lazuli chemical formula.
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Manganotantalite and Lapis lazuli Specific Gravity
Another important criteria for qualitative analysis of gemstones is Manganotantalite and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Manganotantalite and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Manganotantalite is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.