Jade and Smaragdite Physical Properties

Jade

Smaragdite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.383.24-3.50

1 7.18

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Fracture

Splintery

Cleavage

1 or 2,2 prismatic.

None

Mohs Hardness

6-75.5

2 10

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Chemical Composition

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

NaCa2(Al,Fe)3Si6O18(OH)4

Jade and Smaragdite Chemical Formula

While comparing Jade and Smaragdite 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 Jade and Smaragdite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4

Compare Semi Precious Gemstones

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Jade Vs Rhodolite

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Jade and Smaragdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Smaragdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Smaragdite Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.24-3.50 whereas that of Smaragdite is 3.24-3.50.