Labradorite and Moonstone Optical Properties

Labradorite

Moonstone

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Pearly

1.2 Pleochroism

From the Congo

AbsentWalter Schumann

1.3 Dispersion

Albite Optical ..

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0.01

Rank: 28 (Overall)▶

None

Rank: N/A (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Transparent to translucent

1.5 Refractive Index

1.554-1.573

1.518-1.527

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

monoclinic

1.8 Birefringence

0.008-0.010

0.006-0.007

1.9 Clarity

Transparent

Labradorite and Moonstone Optic Character

Labradorite and Moonstone optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Labradorite and Moonstone Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Labradorite and Moonstone optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Labradorite and Moonstone Transparency

Similar to their colors, Labradorite and Moonstone transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Labradorite is Translucent, Transparent and Transparent to translucent while Labradorite is Translucent, Transparent and Transparent to translucent in appearance.