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Riebeckite
Riebeckite

Common Opal
Common Opal



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Riebeckite
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Common Opal

Riebeckite and Common Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
X = blue
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.680-1.6981.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.005-0.008Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Riebeckite and Common Opal Optic Character

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

Riebeckite and Common Opal Transparency

Similar to their colors, Riebeckite and Common 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, Riebeckite is Not Available while Riebeckite is Not Available in appearance.