Shigaite and Malachite Physical Properties

Shigaite

Malachite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.25-4.10

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Perfect on {0001}

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

23.5-4

2 10

1.8 Chemical Composition

Not Available

Cu₂CO₃(OH)₂

Shigaite and Malachite Chemical Formula

While comparing Shigaite 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 Shigaite and Malachite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Shigaite and Malachite Specific Gravity

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