From Wiktionary, the free dictionary
From Claire + -ite, after Claire Zingg Martini, wife of Jacques Martini, who discovered and named the mineral.
clairite
- (mineralogy) A triclinic yellow mineral containing hydrogen, iron, nitrogen, oxygen, and sulfur.
- David Barthelmy (1997–2025) “Clairite”, in Webmineral Mineralogy Database.