Stibiotantalite and Powellite Physical Properties

Stibiotantalite

Powellite

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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 Available4.23

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Perfect

{111} Distinct

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Powellite Chemical Formula

While comparing Stibiotantalite and Powellite 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 Powellite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Stibiotantalite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 4.23 whereas that of Powellite is 4.23.