Reactor-Irradiated Green Topaz
Charles E. Ashbaugh III and James E. Shigley, June 1, 1993
Examination of samples of faceted "Ocean green" topaz reveals that this material has been irradiated in a nuclear reactor.
Read More
Altering the Colour of Topaz
Kurt Nassau, March 1, 1985
A review of the various techniques in use today to change colourless topaz to a variety of hues.
Read More
