Stibiotantalite and Labradorite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
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Specific Gravity
Not Available
2.69-2.72
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Cleavage
{???} Perfect
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
(Na,Ca)1-2Si3-2O8
Stibiotantalite and Labradorite Chemical Formula
While comparing Stibiotantalite and Labradorite 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 Labradorite chemical formula.
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
Stibiotantalite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.