Tantalite and Pezzottaite Physical Properties

Tantalite

Pezzottaite

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1 Physical Properties

1.2 Tenacity

Not Available

2.2 Solubility

Not Available

2.4 Durability

Not Available

3.3 Specific Gravity

5.22.90-3.14

1 7.18

3.14 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

3.15 Cleavage

Good in one direction

Imperfect; basal

3.16 Mohs Hardness

6-6.57.5-8

2 10

5.6 Chemical Composition

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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

Tantalite and Pezzottaite Chemical Formula

While comparing Tantalite 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 Tantalite and Pezzottaite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Tantalite and Pezzottaite Specific Gravity

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