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Common Opal
Common Opal

Rhodochrosite
Rhodochrosite



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Common Opal
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Rhodochrosite

Common Opal and Rhodochrosite 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
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
1.37-1.521.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.208-0.220
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to nearly opaque

Common Opal and Rhodochrosite Optic Character

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

Similar to their colors, Common Opal and Rhodochrosite 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.