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Rhodolite
Rhodolite

Benitoite
Benitoite



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Rhodolite
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Benitoite

Rhodolite and Benitoite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
O = colorless; E = purple

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.7601.757-1.804
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Hexagonal

Birefringence

0.010-0.0140.047
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Rhodolite and Benitoite Optic Character

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

Similar to their colors, Rhodolite and Benitoite 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.