This article presents, for the first time, both gemmological and geologic information on topaz, aquamarine and other beryls from miarolitic pegmatites at Namibia’s historic Klein Spitzkoppe mineral locality.
Read MoreExamination of samples of faceted "Ocean green" topaz reveals that this material has been irradiated in a nuclear reactor.
Read MoreFaceted colourless topaz containing acicular inclusions has been offered for sale as "rutilated" topaz.
Read MoreAn overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.
Read More
