Thanks! The shard is pate de verre, ground leaded glass and finely ground (by me:)) glass enamel colorants, based on an old Minoan vase. It's attached to a PMC back plate made with a polymer plate impressing Minoan letters. Fun stuff.
"The Jewellery Art Association
The jewellery art association was founded in Lappeenranta in 2005. The association aims to promote contemporary jewellery in Finland and to improve its recognition as an art and design form. Another goal of the…"