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Glaucophane
Glaucophane

Lepidolite
Lepidolite



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X
Glaucophane
X
Lepidolite

Glaucophane and Lepidolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

Strong
X = almost colorless; Y = Z = pink

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.606-1.6371.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

-99990.0290-0.0380
0 0.296
👆🏻

Clarity

-
Transparent

Glaucophane and Lepidolite Optic Character

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

Glaucophane and Lepidolite Transparency

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