DIAMOND is generally thought to be one of the most perfect crystals occurring naturally: its atomic structure was first ... two interpenetrating face-centred cubic lattices, the corner of one ...

It melts at 3727 C. The stable form of carbon at room temperature is Graphite which has a hexagonal crystal structure. (Top diagram) Diamond is metastable at room temperature and has a diamond cubic ...

Scientists have known about BC8 for decades but have never observed the atomic structure ... that diamond can squeeze into an even harder mineral known as an eight-atom body-centered cubic ...

Silicon has the diamond cubic crystal structure with a lattice parameter of 0.543 nm. The nearest neighbor distance is 0.235 nm. The diamond cubic crystal structure has an fcc lattice with a basis of ...