Somebody who infuses molten glass with an anion oxide of the heavy metal uranium, thus creating Vaseline glass marbles aka. uranated glass marbles -- although other items such as ashtrays, vases, commemorative glass insulators, etc. can be made with it.
{Usually glass} having been infused with an anion oxide of the heavy metal uranium. This glass glows a ghostly green when exposed to shortwave visible and longwave ultraviolet radiation.
Often called "uranium glass" or more frequently, "Vaseline glass" due to its resemblence to Vaseline® petroleum jelly.
Note spelling: urAnated, not urEnated, urInated, urOnated, urUnated, or sometimes urYnated. :-O
{John}: Hey Craig, are you going to perform spectroscopy of the fluorescense of a uranated glass marble when irradiated with thaty spiffy new violet laser?
{Craig} Why of course!!! Let me go fire up old Betsy now!