For hundreds of years, miners sought lead in the hills of Weardale and produced vast quantities of specimens of fluorite with yellow, purple, blue and green crystals which were used to decorate ...

The Weardale Giant, as its discoverers call it, comes from the country’s most specialised mine, which operates only to provide crystals of fluorite (also known as fluorspar) for the mineral ...

The elegant 'Weardale Perfection' has been rescued from oblivion by the determined efforts of amateur enthusiasts and the skills of one of the country's top specialists. A century ago, when ...