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Hemimorphite
Hemimorphite

Chrysoberyl
Chrysoberyl



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Hemimorphite
X
Chrysoberyl

Hemimorphite and Chrysoberyl Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Silky
Vitreous

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.614-1.6361.746-1.763
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0220.007-0.013
0 0.296
👆🏻

Clarity

Transparent
Transparent

Hemimorphite and Chrysoberyl Optic Character

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

Hemimorphite and Chrysoberyl Transparency

Similar to their colors, Hemimorphite 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, Hemimorphite is Transparent and Translucent while Hemimorphite is Transparent and Translucent in appearance.