Malachite green (LMG) is used as a detection method for latent blood in forensic science. Hemoglobin catalyzes the reaction between LMG and hydrogen peroxide, converting the colorless LMG into malachite green. Therefore, the appearance of a green color indicates the presence of blood. In 1992, Canadian authorities determined that eating fish contaminated with malachite green posed a significant health risk. Malachite green was classified a Class II Health Hazard. Due to its low manufacturing cost, malachite green is still used in certain countries with less restrictive laws for non aquaculture purposes. In 2005, analysts in Hong Kong found traces of malachite green
The Malachite Box "The Stone Flower", "The Master Craftsman", "A Fragile Twig"); the tales about some mysterious forces, which contain surreal plots and mythical creatures ("The Mistress of the Copper Mountain", "The Malachite Casket", "Sinyushka's Well", "Cat's Ears"); the satirical tales about gold prospectors or greedy bailiffs ("The Manager's Boot-Soles", "Sochen and His Stones"); the tales about mine explorers ("Sinyushka's Well"). During the Great Patriotic War and in the post-war years, Bazhov started writing about Soviet armourers, steel-makers, and teemers, emphasizing the patriotic pride of the Russian workers. He also penned some stories about the Russian communist leaders, Vladimir Lenin and Joseph Stalin.