Nice Copper + doped Phosphate glass bead NEW!
Size about 13mm – Weight ~ 1 . 1.4 grams – Host: Ca Al Phosphate glass.
Nice glass beads. Each one handmade of phosphate glass in our lab.
Copper+ doped Phosphate glass shows strong white luminescence under UV light.
Under reducing conditions Cu+ Ions can be kept in the glass. The colorless glass beads show a strong white luminescence under 365nm UV light.
