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White Opal
White Opal

Taaffeite
Taaffeite



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White Opal
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Taaffeite

White Opal and Taaffeite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Weak
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.37-1.521.70-1.73
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
Translucent
Color grading system

White Opal and Taaffeite Optic Character

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

White Opal and Taaffeite Transparency

Similar to their colors, White 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, White Opal is Translucent while White Opal is Translucent in appearance.