niobite

n.[矿] 铌铁矿

一种矿物，主要由铌、钽、氧、钙组成，常见于花岗岩和碱性岩石中。

名词

1. The niobite deposits in that region are known for their high grade and quality.
那个地区的铌矿床以高品位和高质量而闻名。

2. The extraction of niobium from niobite ore requires advanced metallurgical techniques.
从铌铁矿石中提取铌需要先进的冶金技术。