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Corundum
Corundum

Chrysoprase
Chrysoprase



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Corundum
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Chrysoprase

Corundum and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous, Vitreous, Waxy
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.758-1.7801.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.007-0.0100.004
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Translucent

Corundum and Chrysoprase Optic Character

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

Similar to their colors, Corundum and Chrysoprase 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.