Neodymium sodium borate glass bead NEW!
diameter ~ 12 mm – 1.1 – 1.3 grams
Material: Na Nd B Glas – Nd3+ (~ 20mol%)
This strongly colored glass changing its color from wine red to dark blue depending of the wavelength of the used light and viewing angle, is used in optics.
We are able to cast large rods with several cm diameter and lengths up to 50mm
