The story
From Dutch Vanthoff + -ite, named for Dutch physical chemist and Nobel Prize winner Jacobus Hendricus van 't Hoff, Jr (1852-1911).
Etymology from Wiktionary, CC BY-SA 4.0.
vanthoffite
Today it means: A monoclinic-prismatic colorless mineral containing magnesium, oxygen, sodium, and sulfur. Full definition →