Cattle(ox) Gallstones vary in size, and are a clay-like substance
that develop in the gallbladder of small numbers of cows. Just like
in humans, not all cows have gallstones.
As you can see in the pictures, Ox gallstones have a wide variety
of size as well shape. The size ranges from a pebble size to the
size of a chickens egg. The shape ranges from a shape of a pyramid,
square to even oval shapes.
Gallstones are collected and are used extensively in oriental
medicine, particularly in the treatment of hepatitis and other
liver and gallbladder related ailments in humans. Ox gallstones are
also used in fever reducers and herbal medicine that serve to
detoxify the body.