siderite

English Thesaurus

1. a meteorite consisting principally of nickel and iron (noun.object)

hypernym	:	meteorite,
definition	:	stony or metallic object that is the remains of a meteoroid that has reached the earth's surface (noun.object)

2. iron ore in the form of ferrous carbonate (noun.substance)

hypernym	:	iron ore,
definition	:	an ore from which iron can be extracted (noun.substance)