Malachite green Malachite green Malachite green is an organic compound that is used as a dyestuff and controversially as an antimicrobial in aquaculture. Malachite green is traditionally used as a dye for materials such as silk, leather, and paper. Despite its name the dye is not prepared from the mineral malachite, and the name just comes from the similarity of color. Malachite green is classified in the dyestuff industry as a triarylmethane dye and also using in pigment industry. Formally, malachite green refers to the chloride salt [CHC(CHN(CH))]Cl, although the term malachite green is used loosely and often just refers to the
Italian submarine Malachite in Cagliari, when already in view of the Sardinian coast she was spotted by the Dutch submarine HNLMS Dolfijn in the morning of February 9, 1943. At approximately 11:00, HNMS Dolfijn launched a salvo of 4 torpedoes at "Malachite". The Italian submarine managed to avoid three of them by deftly maneuvering, but the fourth one hit her on the stern, and she sank within a minute taking down 35 crew with her. Commander Cinti, three other officers, and nine NCOs and sailors managed to escape. The wreck of "Malachite" was located in September 1999 at a depth of 117 to