主要应用于玻璃、陶瓷、宝石工艺等行业。
Main use in glass, ceramics, gem craft and so on professions.
据导游介绍，宝石工业在斯里兰卡有着悠久的历史。
According to the tour guide introduced that the gem industry has the glorious history in Sri Lanka.
但是，其他著名的集合和古代著名的宝石工艺它必须是价值数百万美元。
But, other famous collections of famous gems and ancient crafts it has to be worth millions.
应用推荐