Designers say local materials reduce their environmental impact and are aesthetically pleasing, too. By Rachel Garrahan Gray-white billows swirl across the surface of an agate ring in Sian Evans’s new ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Ornamental hard stones such as malachite, turquoise and lapis lazuli have been part of the jewellery vocabulary ...

Picture this: you are wandering through the outdoors, and a glint of something unusual catches your eye. You look down and see a stone, but not just any stone. The colour or texture, or shape makes it ...