Stibiotantalite and Dioptase Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.25-3.35
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Cleavage
{???} Perfect
  
Perfect in three directions
  
Mohs Hardness
5.5-6
  
5
  
Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
  
CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Stibiotantalite and Dioptase Chemical Formula
While comparing Stibiotantalite and Dioptase 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 Stibiotantalite and Dioptase chemical formula.
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
- Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Stibiotantalite and Dioptase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.