Cymophane and Bytownite Physical Properties

Cymophane

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

3.69-3.812.72-2.75

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

8.56-6.5

2 10

1.8 Chemical Composition

BeAl 2O 4Arthur Thomas , Gemstones (2009)

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

Cymophane and Bytownite Chemical Formula

While comparing Cymophane 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 Cymophane and Bytownite chemical formula.

Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Yellow Gemstones

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Cymophane Vs Dravite

Cymophane and Bytownite Specific Gravity

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