Opal is a Semi Precious Stone When we talk about opal, one of the first aspects that should come to mind is that it is the national stone of Australia. This is owing to the fact that Australia is the worlds largest supplier of opals, covering almost all sources of opal on the planet.

Associated with battling depression and supporting creative endeavors, opals come in numerous varieties. Some of the most popular types of opals are Fire Opal, Boulder Opal, Chocolate Opal, Black Opal or Moss Opal.