Poudretteite and Jade Physical Properties

Poudretteite

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

2.51-2.532.90-3.38

1 7.18

1.5 Fracture

Conchoidal, Splintery

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

None

1 or 2,2 prismatic.

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Jade Chemical Formula

While comparing Poudretteite 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 Poudretteite and Jade chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Violet Gemstones

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Poudretteite Vs Rubellite

Poudretteite Vs Sapphire

Poudretteite and Jade Specific Gravity

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