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Chlorastrolite
Chlorastrolite

Bytownite
Bytownite



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Chlorastrolite
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Bytownite

Chlorastrolite and Bytownite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.1-3.52.72-2.75
Amber
1 7.18
1.5 Fracture
Granular
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect on [001], good on [010], imperfect on [110]
1.7 Mohs Hardness
5-66-6.5
Amber
2 10
1.8 Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Chlorastrolite and Bytownite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Bytownite chemical formula.

  • Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Chlorastrolite and Bytownite Specific Gravity

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