Malachite and Phlogopite Physical Properties

Malachite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.102.78-2.85

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

None, Uneven

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Perfect basal (001)

1.7 Mohs Hardness

3.5-42-2.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Not Available

Malachite and Phlogopite Chemical Formula

While comparing Malachite and Phlogopite 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 Phlogopite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Malachite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.