Amazonite and Cordierite Physical Properties

Amazonite

Cordierite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.55-2.572.57-2.66

1 7.18

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Fracture

Uneven

Subconchoidal, Conchoidal

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

Mohs Hardness

6-6.57-7.5

2 10

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Chemical Composition

KAlSi₃O₈

Mg2Al4Si5O18

Amazonite and Cordierite Chemical Formula

While comparing Amazonite 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 Amazonite and Cordierite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Cordierite- Mg2Al4Si5O18

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Amazonite and Cordierite Specific Gravity

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