tranquillityite
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English
[edit]Etymology
[edit]From tranquillity + -ite, after the Sea of Tranquillity, a basin on the Moon where the mineral was first found.
Noun
[edit]tranquillityite (plural tranquillityites)
- (mineralogy) A hexagonal dark red mineral containing iron, oxygen, silicon, titanium, yttrium, and zirconium.
References
[edit]- David Barthelmy (1997–2024) “Tranquillityite”, in Webmineral Mineralogy Database.