Bytownite and Andesine Physical Properties

Bytownite

Andesine

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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

2.72-2.752.65-2.69

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, good on {010}

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Bytownite and Andesine Chemical Formula

While comparing Bytownite and Andesine 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 Andesine 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 Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Bytownite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bytownite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.