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Glass Beads Crystal Cubes

Glass Beads Crystal Cubes

Crystal beads cubes are glass beads made of crystal glass without lead. Crystal glass is more environmentally friendly than lead crystal, but instead of lead oxide, barium oxide, zinc oxide or potassium oxide is used in its manufacture. This method gives a very high refractive index to the glass instead of lead, which creates a strong spark when light hits the surface of the moving bead. Crystal glass is a different glass than pressed glass, so crystal glass is also called crystal.