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Corundum
Corundum

Verdite
Verdite



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Corundum
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Verdite

Corundum and Verdite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous, Silky
1.2 Pleochroism
None
Extreme
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.758-1.7801.580
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
0.007-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Translucent

Corundum and Verdite Optic Character

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

Corundum and Verdite Transparency

Similar to their colors, Corundum and Verdite 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, Corundum is Translucent and Transparent while Corundum is Translucent and Transparent in appearance.