Ajoite and Iolite Physical Properties

Ajoite

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

2.962.6-2.7

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Perfect on {010}

3,1

1.7 Mohs Hardness

57-7.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Mg₂Al₄Si₅O₁₈

Ajoite and Iolite Chemical Formula

While comparing Ajoite and 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 Iolite chemical formula.

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

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Ajoite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.