bertrandite.
/bur-truhn-dahyt/US // ˈbɜr trənˌdaɪt //
伯特兰德石,贝雷特石,贝特朗特石,贝特朗特
Definitions
n.noun · 名词
- 1.
- ›a mineral, hydrous beryllium silicate, Be4Si2O72, colorless or pale yellow, with a vitreous luster, occurring as tabular or prismatic crystals in pegmatites and hydrothermal veins.
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