Brucite and Malachite Physical Properties

Brucite

Malachite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.393.25-4.10

1 7.18

1.5 Fracture

Irregular

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Perfect on {0001}

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Brucite and Malachite Chemical Formula

While comparing Brucite and Malachite 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 Malachite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Brucite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.