With a chemical composition Cu2(CO3)(OH)2, this is a green copper carbonate hydroxide mineral. Malachite is a green coloured copper carbonate mineral. Its name is derived from the Greek word, "malache". The meaning of this word is "mallow". This gemstone got this name because the colour of malachite is similar up to some extent to the colour of mallow leaf. As compared to other minerals, this is soft. Because of this factit is also thought that it has derived from another Greek word, "malakos", which means "soft".