Vanadinite and Iolite Physical Properties

Vanadinite

Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.8-7.12.6-2.7

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

3-47-7.5

2 10

1.8 Chemical Composition

C20H36

Mg₂Al₄Si₅O₁₈

Vanadinite and Iolite Chemical Formula

While comparing Vanadinite 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 Vanadinite and Iolite chemical formula.

Chemical formula of Vanadinite- C20H36
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Vanadinite and Iolite Specific Gravity

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