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 Hill Park Bleak Hill Park Bleak Hill Park (formerly known as Short Heath Recreational Ground) is a public park in Erdington, Birmingham, UK. It is identified by Birmingham City Council as a "green corridor". The park is named after the topographical name of the nearby area; referring to either "bleak hills" or "black hills". Like the origin of Blakesley Hall in Yardley, three Old English words could provide the root of the word "Bleak" – one meaning "black", one meaning "to shine", and one meaning "shining, pale, or bleak". The area was first recorded as Blakhilles in 1461. In 2008, the park