Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A hexagonal-dihexagonal dipyramidal
mineral containingcarbon .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
Help support Wordnik (and make this page ad-free) by adopting the word lonsdaleite.
Examples
-
These nano-sized, hexagonal bits of diamond, called lonsdaleite, can be good tracers for impacts; they're created in the intense pressure and heat of a space collision.
BBC Ouch! Blog 2010
-
At issue are nanodiamonds, especially a form called lonsdaleite, which form in a high-pressure, high-temperature collision.
Popular Science - New Technology, Science News, The Future Now 2010
-
These so-called lonsdaleite nanodiamonds have been found only in meteorites or impact craters.
Livescience.com 2009
-
Professor Ferroir said there is currently no way to compare the structure of the new crystals to boron nitride and lonsdaleite, the artificially manufactured ultra-hard diamonds, but the findings help scientists gain a better understanding of carbon polymorphs and give them new materials to investigate and perhaps synthesize.
PhysOrg.com - latest science and technology news stories 2010
-
However, in this case, a source of carbon is required to form the recovered lonsdaleite crystals, and the concentration of carbon in this type of meteorites is extremely low.
Anthropology.net 2009
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.