Stibiotantalite and Gahnite Physical Properties

Stibiotantalite

Gahnite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available4.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

{???} Perfect

Indistinct parting on [111]

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Gahnite Chemical Formula

While comparing Stibiotantalite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Stibiotantalite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.