Staurolite and Stibiotantalite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.7-3.8
Not Available
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Distinct on {010}
{???} Perfect
Mohs Hardness
7-7.5
5.5-6
Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
SbTaO 4Ulrich Henn and Claudio C.
Staurolite and Stibiotantalite Chemical Formula
While comparing Staurolite 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 Staurolite and Stibiotantalite chemical formula.
- Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Staurolite and Stibiotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Staurolite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is Not Available whereas that of Stibiotantalite is Not Available.