Sylvite and Malachite Physical Properties

Sylvite

Malachite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.25-4.10

1 7.18

1.5 Fracture

Uneven, Brittle

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Perfect on [100], [010], [001]

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

Not Available

Cu₂CO₃(OH)₂

Sylvite and Malachite Chemical Formula

While comparing Sylvite 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 Sylvite and Malachite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Sylvite and Malachite Specific Gravity

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