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 continued in "The Master Craftsman" (alternative translations: "The Mountain Craftsman", "The Mountain Master"), published a year later in "Na Smenu!". "A Fragile Twig", published in 1940, focuses on Katyenka and Danilo's son. Bazhov had plans for the fourth story, but it was never written. "Golden Hair" is based on the Bashkirs folklore. It tell the story of a Bashkir hunter Ailyp who meets the daughter of Poloz the Great Snake. In addition to the stories mentioned above, the first edition of "The Malachite Box" contained the following 8 stories: "The Manager's Boot-Soles", "Sochen and His Stones", "Marko's Hill", "The Twisted