Outside the Brazilian city of Governador Valadares, Kirsten sifts the tailings piles of the Jaco Mine for aquamarine.

Kirsten searches the Rio Doce in Brazil for morganite, a form of pink bery

Kirsten travels to Lightning Ridge, Australia, home to the world's richest deposit of black opals. She climbs to the top of the Sydney harbor bridge, checks out an underground opal mine, and heads deep into the bush, hunting opals.