Ajoite and Cordierite Iolite Physical Properties

Ajoite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.56-2.66

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {010}

Not Available

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Ajoite and Cordierite Iolite Chemical Formula

While comparing Ajoite and Cordierite Iolite 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 Iolite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Ajoite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.