Malachite and Pyrrhotite Physical Properties

Malachite

Pyrrhotite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.104.58-4.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Uneven

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Absent

1.7 Mohs Hardness

3.5-43.5-4.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Not Available

Malachite and Pyrrhotite Chemical Formula

While comparing Malachite and Pyrrhotite 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 Pyrrhotite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Malachite and Pyrrhotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Pyrrhotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Pyrrhotite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.58-4.65 whereas that of Pyrrhotite is 4.58-4.65.