Beryllonite and Brucite Physical Properties

Beryllonite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.872.39

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

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

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Beryllonite and Brucite Chemical Formula

While comparing Beryllonite and Brucite 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 Brucite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Beryllonite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.39 whereas that of Brucite is 2.39.