coltan etymology

English word coltan comes from English columbite, English tantalite

Detailed word origin of coltan

Dictionary entryLanguageDefinition
columbite English (eng) (mineral) A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
tantalite English (eng) (mineralogy) A dark-brown mineral that is an ore of tantalum and niobium, of the chemical formula (Fe, Mn) Ta2O6.
coltan English (eng) A metallic ore from which the elements niobium and tantalum are extracted.