Thulium sodium borate glass bead NEW!
diameter ~ 12 mm – 1.1 – 1.3 grams
Material: NaTm B Glas – Tm3+ (~ 20mol%)
Nice glass bead with light green color which comes from the Tm3+ Ions.
Beautiful optical glass beads doped with metal ions.
Elaborately and individually manufactured by us in the laboratory from highly pure reagents.
Gorgeous beads showing the typical colors of different metal ions in different oxidation states.
They can be used for save demonstration of different colors of the metal compounds or just for collecting.