Jade and Verdelite Physical Properties

Jade

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.382.90-3.40

1 7.18

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Fracture

Splintery

Conchoidal

Cleavage

1 or 2,2 prismatic.

Indiscernible

Mohs Hardness

6-77-7.5

2 10

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Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Jade and Verdelite Chemical Formula

While comparing Jade and Verdelite 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 Verdelite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Compare Semi Precious Gemstones

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Jade and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.