Narsarsukite and Bytownite Physical Properties

Narsarsukite

Bytownite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.832.72-2.75

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Good on {100} and {110}

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

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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

Narsarsukite and Bytownite Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Bytownite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich 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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Narsarsukite and Bytownite Specific Gravity

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