Elbaite and Beryllonite Physical Properties

Elbaite

Beryllonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Brittle

2.79-2.87

Conchoidal

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

5.5-6

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Beryllonite Chemical Formula

While comparing Elbaite 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 Elbaite and Beryllonite chemical formula.

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Elbaite and Beryllonite Specific Gravity

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