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Mexican fire opal
Mexican fire opal

Chrysoberyl
Chrysoberyl



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X
Mexican fire opal
X
Chrysoberyl

Mexican fire opal and Chrysoberyl Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
-9999
-
-
-9999
-
 
Vitreous
X = red; Y = yellow-orange; Z = emerald-green
0.02
Transparent, Translucent, Transparent to translucent
1.746-1.763
Biaxial/+
Orthorhombic
0.007-0.013
Transparent

Mexican fire opal and Chrysoberyl Optic Character

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

Mexican fire opal and Chrysoberyl Transparency

Similar to their colors, Mexican fire opal 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, Mexican fire opal is while Mexican fire opal is in appearance.