Ox Gallstone, Color : Brown

To some, a bezoar may be some mythological property only used in wizarding potions. ... However, to a certain market in Asia, bezoars, or ox or cow gallstones, as they are also called, they're worth more than gold. We Buy Ox Gallstones. Gallstones, as the name suggests, form in the gallbladder of the Cow or Ox or Bison.