The story
Named after French engineer François Jacques de Larderell (1790–1858), known in Italy as Francesco Giacomo de Larderel, who ran business in the Tuscan borax industry.
Etymology from Wiktionary, CC BY-SA 4.0.
larderellite
Today it means: A dimorph of ammonioborate. A monoclinic-prismatic mineral containing boron, hydrogen, nitrogen, and oxygen. Full definition →