See Also: schalstein(dictionary)

schalstein (iou)



schalstein noun. Also in sense 1 schaalstein. E19.
[German, from Schale skin, shell + Stein stone.]
Mineralogy. = WOLLASTONITE. E-M19.
Geology. Any of various altered basic or calcareous tuffs, usu. laminated in structure. M19.