It is usually prepared by dissolving the metal in aqua regia.
Fe2P forms crystalline needles insoluble in acids except aqua regia; it is obtained by fusing copper phosphide with iron.
They offer a stunning ViX bandeau top bikini that features a Cheetah-print bottom that's highlighted in aqua for a fun twist.
Mineral acids generally attack the crystallized metal very little even in the heat; aqua regia, however, dissolves it readily, and so does hydrofluoric acid.
Special effects include sepia, black-and-white, negative, aqua, cool and green.