Celestite (Celestine) Barite group - SrSO4 Self collected this specimen back in the 1960's. One cannot collect off the cliffs anymore at this beaufiful spot not far from the falls.Good crystal form with small attached calcite crystals on limestone. From Chittenango Falls, Chittenango, New York. Specimen is 2"w x 1"d x 1-1-1/4"h.