Authors : National Geographic; Rob Waring
9781424021963
24 Pages Stitched binding
1st Edition
©2010, Published
Request a SamplePeople from around the world travel to Coober Pedy, Australia, with hopes of getting rich. This town is full of valuable stones called 'opals'. Some opals are worth millions, but they are extremely hard to find. What influences the value of an opal? What does it take to find them?
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