Kornerupine and Tantalite Physical Properties

Kornerupine

Tantalite

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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

3.25-3.455.2

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on {110}

Good in one direction

1.7 Mohs Hardness

6.56-6.5

2 10

1.8 Chemical Composition

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Kornerupine and Tantalite Chemical Formula

While comparing Kornerupine and Tantalite 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 Kornerupine and Tantalite chemical formula.

Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Kornerupine and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 5.2 whereas that of Tantalite is 5.2.