Cloisonne is an ancient metalworking technique. Cloisonne beads are created by affixing a metal wire to the base bead to act as a color separator. A powdered colored glass enamel is then painted between the partitions and then fired to melt the glass.
These heart beads are enamel and gold-plated brass and are 12mm diameter. Slightly puffy (6mm thick). Sold individually.
More Cloisonne Beads are below.