The story
Named after the type locality: den Dellen quarries, Mendig, Laach Lake volcanic complex, Rhineland-Palatinate, Germany Laach + -ite
Etymology from Wiktionary, CC BY-SA 4.0.
laachite
Today it means: A brown monoclinic mineral containing calcium, iron, manganese, niobium, oxygen, titanium and zirconium Full definition →