Malachite and Brucite Physical Properties

Malachite

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.102.39

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Irregular

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Perfect on {0001}

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Brucite Chemical Formula

While comparing Malachite 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 Malachite and Brucite chemical formula.

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

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Malachite and Brucite Specific Gravity

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