Malachite and Chlorastrolite Physical Properties

Malachite

Chlorastrolite

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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

3.25-4.103.1-3.5

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Granular

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

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Malachite and Chlorastrolite Chemical Formula

While comparing Malachite and Chlorastrolite 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 Chlorastrolite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

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Malachite and Chlorastrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.