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Rosasite
Rosasite

Lepidolite
Lepidolite



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Rosasite
X
Lepidolite

Rosasite and Lepidolite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous, Pearly

Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
X = almost colorless; Y = Z = pink

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.672-1.6881.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.139-0.1430.0290-0.0380
0 0.296
👆🏻

Clarity

-
Transparent

Rosasite and Lepidolite Optic Character

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

Rosasite and Lepidolite Transparency

Similar to their colors, Rosasite 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, Rosasite is while Rosasite is in appearance.