Niobium Polygon Crystal Brooch - Varying colours Vase cratered surface that mimics natural

cratered surface that mimics natural mineral formations and the raw textures of fractured stone

The 'fantasy gemstone' was made from a sheet of niobium metal that was formed using the technique of chasing and repoussé and anodised to 80-85 volts for the iridescent blue colour

H: 37mm high W: 44mm

The silver frame was custom-made for the niobium "crystal"

The crystal shapes and rock textures were created using the ancient technique of chasing and repoussé

Niobium Polygon Crystal Brooch - Varying colours Vase cratered surface that mimics naturalContemporary silver and anodised niobium brooch inspired by crystal shapes. The centre features a flat niobium, which was anodised using electricity to create the iridescent colours. These anodised sections are coloured to create a "trompe l'oeil" effect an optical illusion to look like crystals. Available in a range of colours. Materials: sterling silver, niobium and stainless steel pin. Hallmarked at The Sheffield Assay Office in 2025. Free UK