Bytownite and Cordierite Iolite Physical Properties

Bytownite

Cordierite Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.752.56-2.66

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Bytownite and Cordierite Iolite Chemical Formula

While comparing Bytownite and Cordierite Iolite 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 Cordierite Iolite 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 Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Compare Gems Found In Australia

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Bytownite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bytownite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.