The Encyclopedia Americana (1920)/Anthosiderite

ANTHOSIDERITE, ăn-thŏ-sĭd'ėr-īt (from the Greek anthos, “a flower,” and siderites, “iron”), a mineral related to chloropal, occurring in fibrous tufts and sometimes in feathery forms resembling flowers. It is harder and heavier than chloropal, is usually yellowish in color, and has the composition 2Fe₂O₃9SiO₂2H₂O. It is found in Brazil.