To grow pure metal crystals, he used copper wire and copper sulfate. He also used a special regulated power supply to create a low voltage to control the current used to form the crystal.

Crystals, at least those hawked by new-age practitioners for their healing or restorative powers, will probably get a well-deserved eye roll from most of the folks around here. That said, there&#82… ...

Hybrid copper iodide crystals emitting deep-blue light are being developed by scientists in a Rutgers laboratory.