These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

Faculty of Physics and CeNS, Ludwig-Maximilians-Universität München, 80539 München, Germany Walter Schottky Institute, Technical University of Munich, 85748 München, Germany Physics Department, TUM ...

The resulting diamond has a hexagonal lattice crystal structure, rather than the normal cubic structure. Hexagonal diamond (or lonsdaleite) was first brought to the attention of scientists more than ...

First identified in 1967, lonsdaleite is the hardest naturally-occuring mineral ever discovered—yes, it’s even harder than diamonds. Lonsdaleite, however, has only been found in meteorites ...