Bismuth is a metal you can melt on your stove top, as it dries it forms these beautiful crystals. My father bought me some of the raw metal for Christmas several years back. Perfect for the science oriented home experimenter!
"Angel Aura Quartz" - Many quartz types you see on the market are actually created by super heating it and infusing it with a vaporized metal. In this case, Angel Quartz or Aura Quartz is created using titanium