{"title":"Mesozoic — 252 to 66 Million Years","description":"\u003cp\u003eAustralian opal belongs here: silica precipitated in Cretaceous sediments laid down by the inland sea that once covered much of the continent.\u003c\/p\u003e","products":[],"url":"https:\/\/radrocks.com.au\/collections\/mesozoic-252-to-66-million-years.oembed","provider":"Rad Rocks","version":"1.0","type":"link"}