Sylvite and Bytownite Physical Properties

Sylvite

Bytownite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.72-2.75

1 7.18

1.5 Fracture

Uneven, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Bytownite Chemical Formula

While comparing Sylvite 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 Sylvite and Bytownite chemical formula.

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

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Sylvite and Bytownite Specific Gravity

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