Tantalite and Hematite Physical Properties

Tantalite

Hematite

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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

5.25.00-5.30

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good in one direction

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

6-6.56

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Tantalite and Hematite Chemical Formula

While comparing Tantalite and Hematite 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 Hematite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Tantalite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.