Villiaumite and Iolite Physical Properties

Villiaumite

Iolite

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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

2.792.6-2.7

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

{100} Perfect, {010} Perfect, {001} Perfect

3,1

1.7 Mohs Hardness

27-7.5

2 10

1.8 Chemical Composition

NaFUlrich Henn and Claudio C.

Mg₂Al₄Si₅O₁₈

Villiaumite and Iolite Chemical Formula

While comparing Villiaumite 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 Villiaumite and Iolite chemical formula.

Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Villiaumite and Iolite Specific Gravity

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