Tantalite and Almandine Physical Properties

Tantalite

Almandine

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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

5.23.95-4.30

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good in one direction

none

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Tantalite and Almandine Chemical Formula

While comparing Tantalite and Almandine 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 Almandine chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Tantalite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.