the world > the earth > minerals > types of mineral > native elements and alloys > [noun] > native iron (4)
‘Thunderstone’: applied by some early mineralogists to a meteorite or to meteoric iron; by others to belemnites, and to flint arrow-heads of…
(a) a native iron resembling steel; (b) iron suitable for converting into steel; (c) (see quot. 1883).
Nickeliferous iron found in meteorites.
Geology. Nickel-iron; spec. the earth's core or the material composing it.