Stibiotantalite and Papagoite Physical Properties

Stibiotantalite

Papagoite

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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 Available3.25

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

{???} Perfect

Imperfect in one direction

1.7 Mohs Hardness

5.5-65-5.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Stibiotantalite and Papagoite Chemical Formula

While comparing Stibiotantalite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Stibiotantalite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.25 whereas that of Papagoite is 3.25.