Stibiotantalite and Sillimanite Physical Properties

Stibiotantalite

Sillimanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.20-3.26

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Splintery

1.6 Cleavage

{???} Perfect

{010} perfect

1.7 Mohs Hardness

5.5-66-7.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Sillimanite Chemical Formula

While comparing Stibiotantalite and Sillimanite 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 Sillimanite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Stibiotantalite Vs Tugtupite

Stibiotantalite Vs Triplite

Stibiotantalite Vs Uvite

Stibiotantalite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.