Stibiotantalite and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
Not Available
1.77
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Not Available
Cleavage
{???} Perfect
Perfect on {10 1 0}
Mohs Hardness
5.5-6
2-2.5
Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Stibiotantalite and Ettringite Chemical Formula
While comparing Stibiotantalite and Ettringite 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 Ettringite chemical formula.
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Stibiotantalite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 1.77 whereas that of Ettringite is 1.77.