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Beryllonite
Beryllonite

Tantalite
Tantalite



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Beryllonite
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Tantalite

Beryllonite and Tantalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.79-2.87
Conchoidal
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
5.5-6
NaBePO 4Michael O’Donoghue , 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

Beryllonite and Tantalite Chemical Formula

While comparing Beryllonite 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 Beryllonite and Tantalite chemical formula.

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Beryllonite and Tantalite Specific Gravity

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