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Stibiotantalite
Stibiotantalite

Blue John
Blue John



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Stibiotantalite
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Stibiotantalite and Blue John Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available
3.00-3.25
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Not Available
1.6 Cleavage
{???} Perfect
Not Available
1.7 Mohs Hardness
5.5-6
Not Available
1.8 Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Blue John Chemical Formula

While comparing Stibiotantalite and Blue John 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 Blue John chemical formula.

  • Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Blue John Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.