A Brief Review of Gemstone Optical
Properties From a Lapidary's Perspective

A Brief Review of Gemstone Optical Properties From a Lapidary's Perspective Contents:
Importance of the Lapidary Process
Faceting Technique
Optical Properties
Colour
Refractive Index
Dispersion
Optic Axis
Pleochroism
Colour Zone
Dark Coloured Material
Conclusion
Cumulative Effects of Optical Properties
Appendix
Bibliography



Autor:
Sandrine Kunz     July 2000
Updated version  July 2004

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