Ajoite and Cordierite Physical Properties

Ajoite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on {010}

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

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Mg2Al4Si5O18

Ajoite and Cordierite Chemical Formula

While comparing Ajoite 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 Ajoite and Cordierite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Ajoite and Cordierite Specific Gravity

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