Ideographic: A red pellet 丶 from a mine 井Radical:

meaning for dān:

  • - red
  • - pellet
  • - powder
  • - cinnabarQidan or Khitan, ethnic group in ancient China, a branch of the Eastern Hu people inhabiting the valley of the Xar Murun River in the upper reaches of the Liao River 辽河 (bird species of China) red-crowned crane (Grus japonensis)Bhutanpaintingeffective cure, miracle medicine (idiom)
  • - fig. wonder-cure for all problems
  • - panacea
  • - elixir