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Rhodolite
Rhodolite

Legrandite
Legrandite



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Rhodolite
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Legrandite

Rhodolite and Legrandite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Colorless

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.7601.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
monoclinic

Birefringence

0.010-0.0140.060
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Rhodolite and Legrandite Optic Character

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

Rhodolite and Legrandite Transparency

Similar to their colors, Rhodolite and Legrandite 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, Rhodolite is while Rhodolite is in appearance.