黑欧泊，这种神秘瑰丽的宝石，每克拉价格高达万元以上，是矿工们梦寐以求的奇珍。澳大利亚的闪电岭，隐藏着这份稀世之美，却也充满了艰辛与未知的挑战。
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 dollars, a miner might not find a single gem.
So, what makes black opal so hard to find?
And why is it so expensive?
Black opal is one of the most enchanting stones in the world, sought after for its seemingly infinite display of colors.
Compared to common opal, which is usually one color, black opal exhibits many different colors contrasted by a dark body tone.
It's simply the most stunning gemstone on the planet.
It's just remarkably beautiful.
You can put the thing away for a week, pick it out and look at it, and you can still see things inside it that you've never, ever seen before.
