Example image of eyePlorer eyePlorer map for 'Lonsdaleite': Allotropes of carbon Crystal structure Diamond Kathleen Lonsdale Graphite Meteoroid Canyon Diablo (meteorite) Close-packing of spheres Crystal system Hexagonal crystal system Cyclohexane conformation Pascal (unit) Tunguska event List of minerals named after people Diamond-like carbon Boron nitride List of minerals K-M (complete) Poly(hydridocarbyne) Wurtzite crystal structure Carbonado Material properties of diamond Carbon 1967 in the United States 1967