These iridescent gems of the deep shaped the culture, politics, regional relations and fortunes of its inhabitants over more than 7,000 years – not least Qatar’s ruling Al Thani family, ...

Despatches from Nevada related the discovery, in mountainy canyons near Winnemucca, of extensive deposits of opals, those iridescent gems, glowing blue, green, yellow, pink and deep red, for which ...

These iridescent gems of the deep shaped the culture, politics, regional relations and fortunes of its inhabitants over more than 7,000 years – not least Qatar’s ruling Al Thani family, ...