Phenakite and Beryllonite Physical Properties

Phenakite

Beryllonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.982.79-2.87

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Conchoidal

Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

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

Mohs Hardness

7.5-85.5-6

2 10

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Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Phenakite and Beryllonite Chemical Formula

While comparing Phenakite 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 Phenakite and Beryllonite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Phenakite Vs Orthoclase

Phenakite Vs Oligoclase

Phenakite Vs Muscovite

Phenakite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.