Stibiotantalite and Achroite Physical Properties

Stibiotantalite

Achroite

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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

Uneven, ConchoidalWalter Schumann

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 Achroite Chemical Formula

While comparing Stibiotantalite and Achroite 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 Achroite chemical formula.

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Stibiotantalite and Achroite Specific Gravity

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