Sterling Silver Bauxite Coffee Bean Necklace. P1844. This stylish necklace features a coffee bean shaped piece of highly polished hand carved white Bauxite, which is framed within a sterling silver setting and presented on a 18" sterling silver chain. The necklace has been designed and made within our workshops in Derbyshire, Ashbourne and matching items are available within the collection. Bauxite is a pure white material which has a highly vitreous lustre when polished, predominantly an Aluminium based material. Dimensions: Pendant 35 x 17mm