Stibiotantalite and Apophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
2.30-2.50
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
{???} Perfect
Perfect on (001)
Mohs Hardness
5.5-6
4.5-5
Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Stibiotantalite and Apophyllite Chemical Formula
While comparing Stibiotantalite and Apophyllite 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 Apophyllite chemical formula.
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Stibiotantalite and Apophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.