Kimberlite and of those just over 30 have been economic enough to diamond mine. The deposits occurring at Kimberley, South Africa, were the first recognized and the source of the name. The Kimberley diamonds were originally found in weathered kimberlite, which was colored yellow by limonite, and so was called "yellow ground". Deeper workings encountered less altered rock, serpentinized kimberlite, which miners call "blue ground". See also Mir Mine and Udachnaya pipe, both in the Sakha Republic, Siberia. The blue and yellow ground were both prolific producers of diamonds. After the yellow ground had been exhausted, miners in the late 19th
Charlotte Sometimes (novel) Charlotte Sometimes (novel) Charlotte Sometimes is a children's novel by the English writer Penelope Farmer, published in 1969 by Chatto & Windus in the UK, and by Harcourt in the United States. It is the third and best known of three books featuring the Makepeace sisters, Charlotte and Emma. The three are sometimes known as the "Aviary Hall" books. "Charlotte Sometimes" inspired the song of the same name by the English rock band, The Cure. The story centres on a girl called Charlotte, who not long after starting at a boarding school, finds she has travelled mysteriously back more than