Peridot and Malachite Physical Properties

Peridot

Malachite

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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

1.54-1.553.25-4.10

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Poor

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Cu₂CO₃(OH)₂

Peridot and Malachite Chemical Formula

While comparing Peridot 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 Peridot and Malachite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Peridot and Malachite Specific Gravity

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