Blue Crystal Earrings - Polished Cufflinks Hallmarked at the Sheffield Assay

Hallmarked at the Sheffield Assay Office

The vessel can take 450ml of liquid

and permanence in traditional silversmithing

This was made from a flat sheet of niobium

which appears blue in some angles and lights

Blue Crystal Earrings - Polished Cufflinks Hallmarked at the Sheffield AssayThese sterling silver and niobium studs add an eye catching pop of iridescent blue and purple to your outfit. The niobium is a metal that has been hand fabricated from sheet using the ancient technique of chasing and repouss with hand made steel punches. It has been coloured using the electrolytic process 'anodising', creating a colour changing effect that appears purple at some angles and blue at others. Hallmarked at The Sheffield Assay Office in