Petalite and Stibiotantalite Physical Properties

Petalite

Stibiotantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.40Not Available

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

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

1.6 Cleavage

Perfect on {001}, poor on {201} with 38.5° angle between the two

{???} Perfect

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SbTaO 4Ulrich Henn and Claudio C.

Petalite and Stibiotantalite Chemical Formula

While comparing Petalite 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 Petalite and Stibiotantalite chemical formula.

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

Compare Gems Found In Australia

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Petalite and Stibiotantalite Specific Gravity

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