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The compressive strength and hardness of diamond and various other materials, such as boron nitride, [10] (which has the closely related zincblende structure) is attributed to the diamond cubic structure. Example of a diamond cubic truss system for resisting compression. Similarly, truss systems that follow the diamond cubic geometry have a ...
Cubic boron nitride adopts a sphalerite crystal structure, which can be constructed by replacing every two carbon atoms in diamond with one boron atom and one nitrogen atom. The short B-N (1.57 Å) bond is close to the diamond C-C bond length (1.54 Å), that results in strong covalent bonding between atoms in the same fashion as in diamond.
Logo used since 2010. Diamonique is the brand name used by television shopping network QVC for their cubic zirconia simulated colorless diamond, simulated colored diamond, and simulated colored gemstone jewelry (cubic zirconia is a common type of gemstone substitute). [1]
This page was last edited on 6 February 2025, at 11:20 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond. Simulants are distinct from synthetic diamonds , which are actual diamonds exhibiting the same material properties as natural diamonds.
Diamond is extremely strong owing to its crystal structure, known as diamond cubic, in which each carbon atom has four neighbors covalently bonded to it. Bulk cubic boron nitride (c-BN) is nearly as hard as diamond. Diamond reacts with some materials, such as steel, and c-BN wears less when cutting or abrading such material. [4]
Diamond Foundry was founded in 2012 by Martin Roscheisen and Jeremy Scholz. [1] The company raised approximately $315 million in funding from various investors, including $200 million from Fidelity, Sun Microsystems and Google founding investor Andy Bechtolsheim, iPod co-creator Tony Fadell, eBay founding president Jeff Skoll, Twitter founder Evan Williams, Facebook co-founder Andrew McCollum ...
The practice of wearing earrings was a tradition for Ainu men and women, [13] but the Government of Meiji Japan forbade Ainu men to wear earrings in the late-19th century. [14] Earrings were also commonplace among nomadic Turkic tribes and Korea. Lavish ear ornaments have remained popular in India from ancient times to the present day.
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