Beryllonite and Augelite Physical Properties

Beryllonite

Augelite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.872.70-2.75

1 7.18

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Fracture

Conchoidal

Cleavage

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

From the Greek for luster, for its pearly luster on the cleavage.

Mohs Hardness

5.5-64.5-5

2 10

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Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Beryllonite and Augelite Chemical Formula

While comparing Beryllonite and Augelite 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 Augelite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Beryllonite Vs Gypsum

Beryllonite Vs Hambergite

Beryllonite Vs Herderite

Beryllonite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.