Tourmaline and Tantalite Physical Properties

Tourmaline

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

2.85-3.35

5.2

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct

Good in one direction

1.7 Mohs Hardness

7-7.5

6-6.5

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Tantalite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Tantalite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

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Tourmaline Vs Citrine

Tourmaline and Tantalite Specific Gravity

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