Atacamite and Cordierite Physical Properties

Atacamite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.57-2.66

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {010}, fair on {101}

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

3-3.57-7.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

Mg2Al4Si5O18

Atacamite and Cordierite Chemical Formula

While comparing Atacamite and Cordierite 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 Atacamite and Cordierite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Green Gemstones

Atacamite Vs Chlorite group

Atacamite Vs Clintonite

Atacamite Vs Cordierite

Atacamite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.