Green Niobium Polygon Crystal Earrings Cufflinks or as a brooch

or as a brooch

These statement studs are made from a sheet of niobium that was chased and anodised to purple

These sterling silver and niobium studs add an eye-catching pop of iridescent purple to your outfit

Your ring is made to order and can take 4-10 weeks to complete

A Unique Alternative Wedding Band

Green Niobium Polygon Crystal Earrings Cufflinks or as a broochContemporary silver and anodised niobium earrings inspired by crystal shapes. The centre features a flat niobium, which was anodised using electricity to create the iridescent green colours. These anodised sections are coloured to create a "trompe l'oeil" effect an optical illusion to look like crystals. Materials: sterling silver and niobium. Hallmarked at The Sheffield Assay Office in 2025. Free UK shipping via Royal Mail Special delivery. If you