After several weeks of painstaking search, I can now state definitely: argyrodite contains a new element, very similar to antimony and yet sharply distinguished from it, to which the name germanium shall be given.
Definition of Bergenia. 1 : a genus of perennial spring-blooming herbs (family Saxifragaceae) native to central and eastern Asia that have large thick rootstocks which produce typical colonies or clumps of plants with very thick heavy leaves.
Etymology: Gk, thrix, hair, spora, seed, osis, condition. a fungus disease of the hair shaft, giving the hair a metallic appearance and caused by Trichosporon beigelii. Also called white piedra. See also piedra.