Tantalite and Ajoite Physical Properties

Tantalite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

5.22.96

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Good in one direction

Perfect on {010}

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Tantalite and Ajoite Chemical Formula

While comparing Tantalite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Tantalite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.96 whereas that of Ajoite is 2.96.