Jade and Cerussite Physical Properties

Jade

Cerussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.386.46-6.57

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

1 or 2,2 prismatic.

Good [110] and [021]

1.7 Mohs Hardness

6-73-3.5

2 10

1.8 Chemical Composition

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

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

Jade and Cerussite Chemical Formula

While comparing Jade and Cerussite 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 Cerussite chemical formula.

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

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Jade and Cerussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Cerussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Cerussite Optical Properties during the identification of gemstone. Specific gravity of Jade is 6.46-6.57 whereas that of Cerussite is 6.46-6.57.