The rest of the process happens more or less naturally, as crystals begin to form in the saturated solution. And boy, did they grow — long, prismatic lime-green crystals, with a beautiful ...

Polishing the crystals to make them optically cleaner would be a good next step, as would perhaps growing even larger crystals.

Borax makes it easy for your kids to experiment and grow crystals of their very own! Let’s experiment for Valentine’s Day and ...