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Opal
Opal

Diopside
Diopside



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Opal
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Diopside

Opal and Diopside Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
1.5 Refractive Index
1.37-1.521.664-1.730
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
Not Available0.024-0.030
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Opal and Diopside Optic Character

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

Opal and Diopside Transparency

Similar to their colors, Opal and Diopside 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, Opal is Translucent, Transparent and Transparent to translucent while Opal is Translucent, Transparent and Transparent to translucent in appearance.