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Glaucophane
Glaucophane

Chrysoberyl
Chrysoberyl



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X
Glaucophane
X
Chrysoberyl

Glaucophane and Chrysoberyl Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Strong
X = red; Y = yellow-orange; Z = emerald-green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.606-1.6371.746-1.763
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

monoclinic
Orthorhombic

Birefringence

-99990.007-0.013
0 0.296
👆🏻

Clarity

-
Transparent

Glaucophane and Chrysoberyl Optic Character

Glaucophane and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Glaucophane and Chrysoberyl 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 Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Glaucophane and Chrysoberyl Transparency

Similar to their colors, Glaucophane and Chrysoberyl 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.