OCCURRENCE. In 1918 Dr. W. H. Wong heard of the occurrence of beryl crystals in Tachingshan, north of Kueihua, from where the crystals were sent to Peiping, but he did not find the exact place of occurrence. Mr. H. T. Chang mentioned in his "Lapidarium Sinicum" that some of the Piyase in the Peiping market is not tourmaline but beryl and, this mineral was said to come from