It was first described in 1963 for occurrences in Gabe Gottes Mine, Haut-Rhin, Alsace, France; Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany; and the Schneeberg District, Erzgebirge, Saxony, Germany. It is named after French mineralogist René Weil of the University of Strasbourg.
This phenomenon was first described in 1963 at Gabe Gottes Mine in Haut-Rhin, Alsace, France; Wittichen in Schenkenzell, Black Forest, Baden-Württemberg, Germany; and the Schneeberg District in Erzgebirge, Saxony, Germany. It is named after French mineralogist René Weil from the University of Strasbourg.