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Rutilated topaz
Rutilated topaz

Lepidolite
Lepidolite



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X
Rutilated topaz
X
Lepidolite

Rutilated topaz and Lepidolite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
X = almost colorless; Y = Z = pink

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

-99991.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.0290-0.0380
0 0.296
👆🏻

Clarity

-
Transparent

Rutilated topaz and Lepidolite Optic Character

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

Rutilated topaz and Lepidolite Transparency

Similar to their colors, Rutilated topaz and Lepidolite 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, Rutilated topaz is while Rutilated topaz is in appearance.