Jadeite and Bytownite Physical Properties

Jadeite

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

3.28-3.382.72-2.75

1 7.18

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Good on [110]

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

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Bytownite Chemical Formula

While comparing Jadeite 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 Jadeite and Bytownite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Jadeite and Bytownite Specific Gravity

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