Hidden + -ite, named after W E Hidden.
hiddenite (plural hiddenites)
- (mineralogy) A pale green form of spodumene that is sometimes used as a gemstone.
- hiddenite Barthelmy, David (accessed 29 August 2016) Webmineral Mineralogy Database
- hiddenite mindat.org, Hudson Institute of Mineralogy, accessed 29 August 2016