lonsdaleite
noun
- form of carbon related to diamond
Wiktionary
Pronunciation: /ˈlɒnzdəlaɪt/ / /ˈlɒnzˌdeɪlaɪt/
noun
Etymology: From Lonsdale + -ite, in honour of Irish crystallographer Kathleen Lonsdale.
- A hexagonal-dihexagonal dipyramidal mineral containing carbon. Also called hexagonal diamond.