Material values

Smooth or rugged, black or glazed, lava is being used to make everything from bathroom tiles to tables

A metal with a chameleon quality is enjoying a slow-burn revival among designers. Kassia St Clair gives it a glowing review

Easily cast, shaped and carved, resin is attracting more and more designers. Tom Morris finds the brightest and the best

Less jumper, more art: Kassia St Clair on the designers bringing a new look to an ancient substance