Stibiotantalite and Verdelite Physical Properties

Stibiotantalite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

-9999

Conchoidal

{???} Perfect

5.5-6

SbTaO 4Ulrich Henn and Claudio C.

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Stibiotantalite and Verdelite Chemical Formula

While comparing Stibiotantalite and Verdelite 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 Verdelite chemical formula.

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Stibiotantalite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite Vs Verdelite during the identification of gemstone. Specific gravity of Stibiotantalite is whereas that of Verdelite is .