Chlorastrolite and Malachite Physical Properties

Chlorastrolite

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

3.1-3.53.25-4.10

1 7.18

1.5 Fracture

Granular

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Chlorastrolite and Malachite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Malachite chemical formula.

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

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Chlorastrolite and Malachite Specific Gravity

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