Pyrophyllite and Stibiotantalite Physical Properties

Pyrophyllite

Stibiotantalite

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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

2.65-2.90Not Available

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

{???} Perfect

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SbTaO 4Ulrich Henn and Claudio C.

Pyrophyllite and Stibiotantalite Chemical Formula

While comparing Pyrophyllite and Stibiotantalite 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 Pyrophyllite and Stibiotantalite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Pyrophyllite and Stibiotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is Not Available whereas that of Stibiotantalite is Not Available.