Lapis lazuli and Stibiotantalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.50-3.00
Not Available
Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
3,6
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Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
SbTaO 4Ulrich Henn and Claudio C.
Lapis lazuli and Stibiotantalite Chemical Formula
While comparing Lapis lazuli and Stibiotantalite 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 Lapis lazuli and Stibiotantalite chemical formula.
- Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Lapis lazuli and Stibiotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lapis lazuli and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lapis lazuli and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Lapis lazuli is Not Available whereas that of Stibiotantalite is Not Available.