Iolite and Nepouite Physical Properties

Iolite

Nepouite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.18-3.24

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

3,1

perfect on {001}

1.7 Mohs Hardness

7-7.52

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Not Available

Iolite and Nepouite Chemical Formula

While comparing Iolite and Nepouite 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 Iolite and Nepouite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Iolite and Nepouite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Nepouite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Nepouite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.18-3.24 whereas that of Nepouite is 3.18-3.24.