Bytownite and Jade Physical Properties

Bytownite

Jade

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.72-2.752.90-3.38

1 7.18

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Fracture

Uneven

Splintery

Cleavage

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

1 or 2,2 prismatic.

Mohs Hardness

6-6.56-7

2 10

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Chemical Composition

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

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

Bytownite and Jade Chemical Formula

While comparing Bytownite 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 Bytownite and Jade chemical formula.

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

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Bytownite and Jade Specific Gravity

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