Iolite and Jade Physical Properties

Iolite

Jade

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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

2.6-2.72.90-3.38

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

3,1

1 or 2,2 prismatic.

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Iolite and Jade Chemical Formula

While comparing Iolite and Jade 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 Jade chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Iolite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Jade Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.90-3.38 whereas that of Jade is 2.90-3.38.