|
Definition of Bismutocolumbite
1. Noun. (minerology) An orthorhombic-dipyramidal black mineral containing bismuth, niobium, oxygen, and tantalum. ¹
¹ Source: wiktionary.com
|
1. Noun. (minerology) An orthorhombic-dipyramidal black mineral containing bismuth, niobium, oxygen, and tantalum. ¹
¹ Source: wiktionary.com