Biology

Pérolas

In Madeira, small pearls have been found in the Haliotis tuberculata. In 1909, a gray pearl the size of a pea was found in the fan shell (Pina rudis).

Years mentioned in this article

1909
Discovery of a gray pearl in the fan shell (Pina rudis)

Locations mentioned in this article

Madeira
Location where the pearls were found