Tantalite and Kainite Physical Properties

Tantalite

Kainite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.22.15

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Splintery, Conchoidal, Brittle

1.6 Cleavage

Good in one direction

{001}, perfect

1.7 Mohs Hardness

6-6.52.5-3

2 10

1.8 Chemical Composition

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

Not Available

Tantalite and Kainite Chemical Formula

While comparing Tantalite and Kainite 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 Kainite chemical formula.

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

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Tantalite and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.15 whereas that of Kainite is 2.15.