Understanding Ultraviolet Lights: A Rockhound’s Guide to UV Equipment published by Rock & Gem magazine for their March 1998 issue.

Long Wave Figure

LW Filter and LW Phosphors Figures

Ultraviolet Light and its Use With Fluorescent Minerals, May 5, 2008

Solarization of Short-Wave Filters published by Journal of the Fluorescent Mineral Society, Volume 16, 1990.

Long Wave Ultraviolet Sources for Mineral Collectors published by the Journal of the Fluorescent Mineral Society, Volume 24, 2003.

Two Tests: Life of Short Wave Filters and UV Depreciation in Lamps published by the Journal of the Fluorescent Mineral Society, Volume 25, 2004.

UV Lights & Lamps – A Manufacturer’s Perspective, published by the Journal of the Fluorescent Mineral Society, Volume 27, 2007.

Heat Rejuvenation of SW Filters