Emerald and Moonstone Physical Properties

Emerald

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

2.67-2.782.56-2.60

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

Imperfect on the [0001]

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

Mohs Hardness

7.5-86-6.5

2 10

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Chemical Composition

Be₃Al₂SiO₆

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

Emerald and Moonstone Chemical Formula

While comparing Emerald 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 Emerald and Moonstone chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Precious Gemstones

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Emerald Vs Rhodizite

Emerald Vs Ruby

Emerald and Moonstone Specific Gravity

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