Tantalite and Cordierite Physical Properties

Tantalite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.22.57-2.66

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Good in one direction

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Mg2Al4Si5O18

Tantalite and Cordierite Chemical Formula

While comparing Tantalite and Cordierite 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 Cordierite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Cordierite- Mg2Al4Si5O18

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Tantalite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.