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单词 bastnaesite
释义
bast·naes·ite or bast·näs·ite also bast·nas·ite (băstnə-sīt)
n.
A yellowish to reddish-brown mineral, (Ce,La, Y)CO3F, that is a source of several rare-earth elements including gadolinium, samarium, and neodymium.

[After Bastnäs, a mine in south-central Sweden.]
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更新时间:2026/5/31 16:25:21