Common bleak extracted from the scales of the common bleak, so-called "Essence Orientale" or "pearl essence", (used in making artificial pearls) which is crystalline guanine. Common bleak The common bleak ("Alburnus alburnus") is a small freshwater coarse fish of the cyprinid family. The body of the bleak is elongated and flat. The head is pointed and the relatively small mouth is turned upwards. The anal fin is long and has 18 to 23 fin rays. The lateral line is complete. The bleak has a shiny silvery colour; and the fins are pointed and colourless. The maximum length is approximately 25 cm. In
Bleak House: The Death of Rudolph van Richten Bleak House: The Death of Rudolph van Richten Bleak House: The Death of Rudolph van Richten is an accessory for the 2nd edition of the "Advanced Dungeons & Dragons" fantasy role-playing game, published in 1996. "Bleak House: The Death of Rudolph van Richten" is a three-adventure campaign for the Ravenloft setting, consisting of "Adventure One, Whom Fortune Would Destroy", "Adventure Two, The Baron", and "Adventure Three, Homecoming". In "Whom Fortune Would Destroy", the player characters are stranded on a remote desert island and the guests of a revered psychologist whose treatments at the Asylum seem effective but disturbing. "The Baron"