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Riebeckite
Riebeckite

Smithsonite
Smithsonite



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Riebeckite
X
Smithsonite

Riebeckite and Smithsonite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Pearly

Pleochroism

X = blue
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.680-1.6981.620-1.850
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.005-0.0080.223-0.227
0 0.296
👆🏻

Clarity

-
Translucent

Riebeckite and Smithsonite Optic Character

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

Riebeckite and Smithsonite Transparency

Similar to their colors, Riebeckite and Smithsonite 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, Riebeckite is while Riebeckite is in appearance.