Smithsonite and Jade Physical Properties

Smithsonite

Jade

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.652.90-3.38

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Perfect on [1011]

1 or 2,2 prismatic.

1.7 Mohs Hardness

5-5.56-7

2 10

1.8 Chemical Composition

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

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

Smithsonite and Jade Chemical Formula

While comparing Smithsonite 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 Smithsonite and Jade chemical formula.

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

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Smithsonite and Jade Specific Gravity

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