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Mexican fire opal
Mexican fire opal

Taaffeite
Taaffeite



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Mexican fire opal
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Taaffeite

Mexican fire opal and Taaffeite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.70-1.73
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.055
Achroite
0 0.296
1.9 Clarity
Not Available
Color grading system

Mexican fire opal and Taaffeite Optic Character

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

Similar to their colors, Mexican fire opal and Taaffeite 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 Not Available while Mexican fire opal is Not Available in appearance.