Malachite and Romanchite Physical Properties

Malachite

Romanchite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.104.70-4.74

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Not Available

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Not Available

1.7 Mohs Hardness

3.5-45-6

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Not Available

Malachite and Romanchite Chemical Formula

While comparing Malachite and Romanchite 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 Romanchite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Malachite and Romanchite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Romanchite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Romanchite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.70-4.74 whereas that of Romanchite is 4.70-4.74.