Brucite and Beryllonite Physical Properties

Brucite

Beryllonite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.79-2.87

1 7.18

1.5 Fracture

Irregular

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

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

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

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

Brucite and Beryllonite Chemical Formula

While comparing Brucite 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 Brucite and Beryllonite chemical formula.

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

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Brucite and Beryllonite Specific Gravity

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