Crab Eyes
Crab Eyes Oculorum Cancri ‘Crab’s Eyes’ are small balls of calcium stored by several species of freshwater crayfish to repair their shells. They were traditionally used in medicine in the West. ‘Crabs-eyes are of different sizes, hemispherical or convex on one side, flat or concave on the other, of a bluish, whitish or reddish-white colour,…