used as a gemstone
大部分用作宝石的钻石来自南非。
Most diamonds used as gems come from South Africa.
youdao
锆石是一种可用作宝石的矿物。
Zircon is one of the minerals which can be used as gemstones.
一种绿色的金绿宝石，用作宝石。
A green variety of chrysoberyl used as a gemstone.
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