Bytownite and Moonstone Physical Properties

Bytownite

Moonstone

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.72-2.752.56-2.60

1 7.18

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Fracture

Uneven

Uneven, ConchoidalWalter Schumann

Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

6-6.56-6.5

2 10

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Chemical Composition

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Bytownite and Moonstone Chemical Formula

While comparing Bytownite and Moonstone 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 Moonstone 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 Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Bytownite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bytownite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bytownite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Bytownite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.