Tantalite and Forsterite Physical Properties

Tantalite

Forsterite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.23.23-3.26

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

Good in one direction

Perfect on {010} imperfect on {100}

Mohs Hardness

6-6.56.5-7

2 10

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Chemical Composition

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

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Tantalite and Forsterite Chemical Formula

While comparing Tantalite and Forsterite 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 Forsterite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tantalite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.