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Glaucophane
Glaucophane

Verdelite
Verdelite



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Glaucophane
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Verdelite

Glaucophane and Verdelite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

Strong
Strong: dark green yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.606-1.6371.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

-
Transparent

Glaucophane and Verdelite Optic Character

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

Similar to their colors, Glaucophane and Verdelite 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.