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 Casket (fairy tale) me the Tsarina, and you've done it so as to show me to her. [...] I don't want to see any more of ye". Adding that he is no match for her anyway, Tanyushka leans against the malachite wall and melts away. She is never seen again, but the Mistress of the Copper Mountain gets a twin—people see two maids in malachite robes. Most scholars agree that Tanyushka—literally or metaphorically—is the daughter of the Mistress of the Copper Mountain. It was suggested that the Casket symbolizes the mystery that connected Stepan and the Mistress, or the secret marriage between the