Cross Finial
“Pearls are being fished in the ocean between the main-land and Isla de Margarita, approximately ten leagues, in three or four fathoms of water by the slaves who dive into the sea, holding a hoop-net to descend to the bottom where they scrape the soil where the oysters are, in order to find the pearls. And the deeper they descend in the water, the larger are the pearls they find. Not being able to hold their breath longer than a quarter of an hour, they come up again and pull their hoop-net. The fishing from morning to evening having been completed, they return to La Rancheria where they live...”
Pearl Diving, from Histoire Naturelle des Indes, 1586
Miner Working in the Muzo Mines, Colombia
Muzo Mines Emerald, Colombia
Mining for Emeralds in Colombia