Glass bead doped with 1% Cobalt (Co2+) Ionen
Size about 13mm – Weight ~ 1g – Material: NaAlMg Phosphate glass
Nice glass bead. Each one handmade of phosphate glass in our lab.
The beads shows the typical cobalt blue color
€ 19,90 incl. VAT
99 in stock (can be backordered)