Bytownite and Axinite Physical Properties

Bytownite

Axinite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.72-2.753.26-3.36

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

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

Good on {100}

Mohs Hardness

6-6.56.5-7

2 10

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Chemical Composition

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

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Bytownite and Axinite Chemical Formula

While comparing Bytownite and Axinite 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 Axinite 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 Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Bytownite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bytownite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.