• 作为稀有土壤来源一种矿物硅酸盐矿物构成。

    A mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium.

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  • 绿柱石是自然界重要宝石矿物也是金属主要来源矿产资源具有重要战略意义

    Beryl is an important gem mineral and main source of beryllium which has significant strategic importance in mineral resources.

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  • 绿柱石是自然界重要宝石矿物也是金属主要来源矿产资源具有重要战略意义

    Beryl is an important gem mineral and main source of beryllium which has significant strategic importance in mineral resources.

    youdao

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