bertrandite / ˈbɜr trənˌdaɪt /

⚽高中词汇伯特兰德石贝雷特石贝特朗特石贝特朗特

bertrandite 的定义

n. 名词 noun
  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.