Min. Also xonaltite. [First in erron. form xonaltite; named (in Ger., xonaltit, afterwards xonotlit) by Rammelsberg, 1866, 1875, from Xonotla, a village in Puebla, Mexico, where found: see -ITE1.] A hard massive hydrated silicate of calcium.
1868. Dana, Min. (ed. 5), 397. Xonaltite…. Color white to bluish-gray…. Occurs at Tetela de Xonalta, Mexico, in concentric layers, with apophyllite and bustamite.
1879. Watts, Dict. Chem., VI. 1128. Xonaltite. A hydrated calcium silicate, fonnd at Tetela de Xonatla in Mexico.
1883. Encycl. Brit., XVI. 420/2. Xonotlite.
