Malachite Green Malachite Green offered comes in appearance of shiny big crystal, granular, powder form and finds use for paper dye and fabric dye purposes. This shiny green powder and crystals can be made available by us in different weight packaging in iron drum or as specified by the customers. Some of the application areas include dyeing of acrylic fibers, dyeing of cotton fiber; dyeing of leather, bamboo, wood; used in color matching of cationic black; used as bactericide and medicine in fish breeding industry.