zinnwaldite / ˈtsɪn vɑlˌtaɪt /

📖毕业后词汇津巴布韦秦皇岛秦皇岛市秦岭石

zinnwaldite 的定义

n. 名词 noun

Mineralogy.

  1. a yellow-brown variety of mica containing iron, found with tin ores.