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Rhodolite
Rhodolite

Friedelite
Friedelite



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Rhodolite
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Friedelite

Rhodolite and Friedelite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.7601.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

0.010-0.0140.032-0.035
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Rhodolite and Friedelite Optic Character

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

Similar to their colors, Rhodolite and Friedelite 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.