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Iolite
Iolite

Beryllonite
Beryllonite



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Iolite
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Beryllonite

Iolite and Beryllonite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18
 
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

Iolite and Beryllonite Chemical Formula

While comparing Iolite and Beryllonite 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 Iolite and Beryllonite chemical formula.

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Iolite and Beryllonite Specific Gravity

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