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Precious Opal
Precious Opal

Wax Opal
Wax Opal



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Precious Opal
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Wax Opal

Precious Opal and Wax Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.370-1.4701.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Precious Opal and Wax Opal Optic Character

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

Precious Opal and Wax Opal Transparency

Similar to their colors, Precious Opal and Wax Opal 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, Precious Opal is Translucent and Transparent while Precious Opal is Translucent and Transparent in appearance.