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White Opal
White Opal

Chalcedony
Chalcedony



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White Opal
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Chalcedony

White Opal and Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
1.37-1.521.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

White Opal and Chalcedony Optic Character

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

Similar to their colors, White Opal and Chalcedony 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.