Stony-iron meteorites consist of almost equal parts iron-nickel metal and silicate minerals including precious and semi-precious gemstones. They are considered some of the most beautiful meteorites.

Iron, the second most abundant metal in the Earth's crust after aluminum ... a battery without creating hydrogen by ...

or defects in a metal's atomic structure. The study discovered that by adding iron silicate to the vacuum vessel, helium atoms created by interactions with high energy neutrons will embed ...