Stibiotantalite and Pezzottaite Physical Properties

Stibiotantalite

Pezzottaite

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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 Available2.90-3.14

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{???} Perfect

Imperfect; basal

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Stibiotantalite and Pezzottaite Chemical Formula

While comparing Stibiotantalite and Pezzottaite 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 Pezzottaite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Stibiotantalite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.