TY - BOOK AU - Waring,Rob ED - Cengage Learning (Firm) TI - Opal town / T2 - Footprint reading library. Fascinating places SN - 9781424044771 PY - 2009/// CY - Boston PB - Heinle/Cengage Learning KW - Opal glass KW - Australia KW - Juvenile literature KW - Opal mines and mining KW - Readers N2 - People 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? ER -