Nice Vanadium 4+/5+ doped glass bead NEW!

29,90  incl. VAT

100 in stock (can be backordered)

SKU: 04890 Category:

Description

Glass bead doped with 1% Vanadium 4+ and 5+ Ions
Size about 13mm – Weight ~ 1 . 1.4 grams – Material: Ba Phosphate glass
Nice glass bead. Each one handmade of phosphate glass in our lab.

The green color does not come from the V3+ state but from a mixture of +4 and +5 states

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