Carbon trade in both types of diamonds exists, the two markets act in dramatically different ways. Unlike precious metals such as gold or platinum, gem diamonds do not trade as a commodity: there is a substantial mark-up in the sale of diamonds, and there is not a very active market for resale of diamonds. Industrial diamonds are valued mostly for their hardness and heat conductivity, with the gemological qualities of clarity and color being mostly irrelevant. About 80% of mined diamonds (equal to about 100 million carats or 20 tonnes annually) are unsuitable for use as gemstones are relegated for industrial
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