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Common Opal
Common Opal

Chrome-Chalcedony
Chrome-Chalcedony



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Common Opal
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Chrome-Chalcedony

Common Opal and Chrome-Chalcedony Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.37-1.52
1.530-1.543
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available
0.003-0.009
1.9 Clarity
Translucent
Translucent

Common Opal and Chrome-Chalcedony Optic Character

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

Common Opal and Chrome-Chalcedony Transparency

Similar to their colors, Common Opal and Chrome-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, Common Opal is Translucent while Common Opal is Translucent in appearance.