Kutnohorite and Iolite Physical Properties

Kutnohorite

Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.122.6-2.7

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

Not Available

1.6 Cleavage

Perfect on {10 1 1}

3,1

1.7 Mohs Hardness

3-47-7.5

2 10

1.8 Chemical Composition

Not Available

Mg₂Al₄Si₅O₁₈

Kutnohorite and Iolite Chemical Formula

While comparing Kutnohorite 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 Kutnohorite and Iolite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Kutnohorite and Iolite Specific Gravity

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