Labradorite and Agate Optical Properties

Labradorite

Agate

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

From the Congo

Absent

1.3 Dispersion

0.01None

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.554-1.5731.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Trigonal

1.8 Birefringence

0.008-0.0100.004

0 0.296

1.9 Clarity

Transparent

Translucent

Labradorite and Agate Optic Character

Labradorite and Agate optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Labradorite and Agate 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 Agate 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 Agate Transparency

Similar to their colors, Labradorite and Agate 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.