Lonsdaleite (named in honour of Kathleen Lonsdale), also called hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal lattice, as opposed to the cubical lattice …

Feb 22, 2025 · Lonsdaleite, also known as "hexagonal diamond," is an incredibly rare and super-hard mineral found in meteorites. Its unique properties have potential applications in cutting tools, drilling …

May 31, 2025 · Lonsdaleite is a hexagonal diamond that was discovered in 1967. It naturally appears at meteorite impact sites but has proven elusive to recreate under controlled conditions.

Feb 24, 2025 · 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 …

lonsdaleite Rare, hexagonal polymorph of Diamond, believed to have formed when meteoric Graphite makes an impact on earth. Prior and during the impact, great heat and stress transformed the …

Lonsdaleite (named in honour of Kathleen Lonsdale), also called hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal lattice. In nature, it forms when …

Lonsdaleite (named in honour of Kathleen Lonsdale), also called hexagonal diamond in reference to the crystal structure, is an allotrope of carbon with a hexagonal lattice. In nature, it forms when …

Lonsdaleite C c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal. Point Group: 6/m 2/m 2/m. Very fine-grained aggregates, forming cubes and cubo-octahedra, to 0.7 mm; in …

Associated with diamond in the Canyon Diablo, Goalpara, and Allan Hills 77283 meteorites. Also in diamond-bearing placers. Tunguska impact site, Russia. Other world-wide impact sites. Link to …

Aug 1, 2025 · Lonsdaleite, a theoretically proposed hexagonal diamond polymorph, has remained at the center of a five-decade scientific controversy since its 1967 identification.