This undated handout photo released by Australia's University of Wollongong shows a "very rare" 2,000-year-old natural pearl - the first found on the vast island continent -- uncovered while excavating a remote coastal Aboriginal site. Archaeologists were working the site on the north Kimberley coast of Western Australia when they came across the unique gem below the surface, said Kat Szabo, an associate professor at the University of Wollongong. AFP PHOTO
SYDNEY: Australian scientists said Wednesday they have uncovered a "very rare" 2,000-year-old natural sea pearl -- the first found on the vast island continent -- while excavating a remote coastal Aboriginal site.