tantalite

[ tan-tl-ahyt ]

noun
  1. a black, crystalline mineral, iron tantalate, (Fe, Mn) Ta2O6, the principal ore of tantalum and an end member of a series of solid solutions in which manganese and niobium combine to form columbite.

Origin of tantalite

1
First recorded in 1795–1805; tantal(um) + -ite1

Words Nearby tantalite

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use tantalite in a sentence

British Dictionary definitions for tantalite

tantalite

/ (ˈtæntəˌlaɪt) /


noun
  1. a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in orthorhombic crystalline form: it occurs in coarse granite, often with columbite, and is an ore of tantalum. Formula: (Fe,Mn)(Ta,Nb) 2 O 6

Origin of tantalite

1
C19: from tantalum + -ite 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012