Photomicrography is no different than ordinary photography. It’s all about controlling light. In this case, a nondescript fluid inclusion in dark-field illumination morphed into a spectral spectacular when light was brought from above.
Natural Sapphire • Basalt Related • Enhancements: Heat (H) • Lighting Conditions: Fiber Optic: Diffuse Overhead
Photographer: Richard W. Hughes •
Image Number: A-003-7264-1 • Field of View = 5 mm • Date Posted: 08 September 2020
Koivula, J.I. (1982) Inclusions in a better light. Gemological Institute of America, Eash, D.M., ed., In International Gemological Symposium Proceedings, Santa Monica, CA, pp. 471–476; RWHL*.
Koivula, J.I. and Hughes, R.W. (2005) The fiber-optic light in Gemology: Living in the Dark Ages. Lotusgemology.com; RWHL.