Spodumene and Tantalite Physical Properties

Spodumene

Tantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.215.2

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

Good in one direction

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Spodumene and Tantalite Chemical Formula

While comparing Spodumene 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 Spodumene and Tantalite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Spodumene and Tantalite Specific Gravity

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