ʻO Opal 17,000 carats - ʻO ka opal nui a nui loa i ka honua a hiki i kēia lā.

ʻO ka opal 17,000-carat i ʻike ʻia ma South Australia i ka makahiki 1956 ʻo ia ka opal nui loa a me ka pipiʻi loa ma ka honua a hiki i kēia lā.Ua kapa ʻia ka opal ʻo "Olympic Australis" e hoʻolauleʻa ai i ka 'Olumepika Melbourne i kēlā makahiki.a ua noho maikaʻi ʻo ia ma Sydney mai 1997.