Jade and Bytownite Physical Properties

Jade

Bytownite

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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

2.90-3.382.72-2.75

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on [001], good on [010], imperfect on [110]

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

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

Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Jade and Bytownite Chemical Formula

While comparing Jade and Bytownite 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 Bytownite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Jade and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.