Diana Bruce Talk for the Tucson Gem & Fine Mineral Show 2025

Ever since the early 19th century, fine Fluorite specimens have periodically been discovered in the lead mines and limestone quarries of County Durham, England – most notably those featuring gem-quality, emerald-green crystals.

UK Mining Ventures Ltd proudly continues this tradition, building on the region’s remarkable mineral heritage.

Diana Bruce, one of the directors of UK Mining Ventures Ltd, discusses the journey through which the amazing specimens from the Rogerley, Diana Maria, and Lady Annabella mines make their way from mine to market.

Host or Publisher The Tucson Fine Mineral Gallery