Moonstone and Labradorite Physical Properties

Moonstone

Labradorite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.602.69-2.72

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct 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

(Na,Ca)_1-2Si_3-2O₈

Moonstone and Labradorite Chemical Formula

While comparing Moonstone and Labradorite 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 Labradorite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.