Jadeite and Iolite Physical Properties

Jadeite

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

3.28-3.382.6-2.7

1 7.18

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

Not Available

1.6 Cleavage

Good on [110]

3,1

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

Mg₂Al₄Si₅O₁₈

Jadeite and Iolite Chemical Formula

While comparing Jadeite 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 Jadeite and Iolite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Jadeite and Iolite Specific Gravity

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