Some Obscurish facts
#1343
Some gem merchants now use Geiger counters to inspect precious stones before purchasing them. It seems that the natural colors of some gems can be enhanced by exposure to atomic radiation. Some unscrupulous dealers have done this.
Some gem merchants now use Geiger counters to inspect precious stones before purchasing them. It seems that the natural colors of some gems can be enhanced by exposure to atomic radiation. Some unscrupulous dealers have done this.