nSassolin(Min) Native boric acid, found in saline incrustations on the borders of hot springs near Sasso, in the territory of Florence.
Century Dictionary and Cyclopedia
nsassolinNative boracic acid, H3BO3, occurring more or less pure in irregular six-sided laminæ belonging to the triclinic system, or as a crust, or in stalactitic forms composed of small scales. It is white or yellowish, has a nacreous luster, and is friable. It occurs as a deposit from hot springs and ponds in the lagoons of Tuscany, and was first discovered near Sasso (whence the name) in the province of Florence.
Chambers's Twentieth Century Dictionary
nSassolinsas′ō-lin native boracic acid—first found near Sasso in Florence