Jade and Smithsonite Physical Properties

Jade

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.384.00-4.65

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on [1011]

1.7 Mohs Hardness

6-75-5.5

2 10

1.8 Chemical Composition

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

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Jade and Smithsonite Chemical Formula

While comparing Jade and Smithsonite 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 Smithsonite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

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Jade Vs Peridot

Jade and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Jade is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.