资讯

Minister for Natural Resources Courtney Houssos and Member for Barwon Roy Butler this week met with opal miners and land holder representatives’ groups from Lightning Ridge and White Cliffs.
Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...
Opal miners and land holder representatives' groups from Lightning Ridge and White Cliffs have met with New South Wales ...