Gold costs were about $317 per troy ounce in 2007, but these can vary widely depending on mining type and ore quality; global mine production amounted to 2,471.1 tonnes. After initial production, gold is often subsequently refined industrially by the Wohlwill process which is based on electrolysis or by the Miller process, that is chlorination in the melt. The Wohlwill process results in higher purity, but is more complex and is only applied in small-scale installations. Other methods of assaying and purifying smaller amounts of gold include parting and inquartation as well as cupellation, or refining methods based on the dissolution
Near to the Wild Heart combining the “intellectual lucidity of the characters of Dostoevsky with the purity of a child.” A Manhã ("The Morning"), not going quite as far as Lêdo Ivo, had declared it to be “the greatest debut novel a woman had written in all of Brazilian literature.” In October 1944, the book won the prestigious Graça Aranha Prize ("Prêmio Graça Aranha") for the best debut novel of 1943. The prize was a confirmation of what the "Folha Carioca" had discovered earlier that year when it asked its readers to elect the best novel of 1943. "Near to the Wild Heart" won with