宝石矿
- 网络Gem Mine;Gemstone Mine;Gem rocks
宝石矿-
黄玉是最坚硬的宝石矿中的一种。
Topaz is one of the hardest gem minerals .
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离宝石矿远近，越有可能发现合成宝石。
The closer you get to the mines , the more synthetics you find .
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这家公园是世界上唯一一处受到公共管理但是允许游客寻找和保存所发现的宝石的钻石矿。
The park is the world 's only publicly operated diamond site where visitors are allowed to search and keep any gems they find .
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新疆某地宝石级异极矿的发现及其特征
Study on gemology of newfound gem grade hemimorphite in Xinjiang