Bastnasite and Tantalite Physical Properties

Bastnasite

Tantalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.95-5.0

Uneven

Imperfect to indistinct on {10 1 0}, parting on {0001}

4-5

(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

5.2

Subconchoidal, Conchoidal

Good in one direction

6-6.5

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

Bastnasite and Tantalite Chemical Formula

While comparing Bastnasite 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 Bastnasite and Tantalite chemical formula.

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Bastnasite and Tantalite Specific Gravity

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