Moonstone and Bytownite Physical Properties

Moonstone

Bytownite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.56-2.602.72-2.75

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven

Cleavage

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

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

Mohs Hardness

6-6.56-6.5

2 10

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Chemical Composition

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

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

Moonstone and Bytownite Chemical Formula

While comparing Moonstone 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 Moonstone and Bytownite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Bytownite- Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Bytownite Specific Gravity

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