indicolite

American

[in-dik-uh-lahyt] / ɪnˈdɪk əˌlaɪt /

noun

Mineralogy. a dark-blue tourmaline, used as a gem.

indicolite British

/ ˈɪndɪkəˌlaɪt /

noun

a form of tourmaline ranging in colour from pale blue to blue-black

"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

Etymology

Origin of indicolite

From French, dating back to 1800–10; see origin at indigo, -lite

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023