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In interventional radiology, Onyx is a trade name for a copolymer used for embolisation therapy, [1] which involves the occlusion of blood vessels. It is a liquid embolic agent . Onyx is produced and sold by Medtronic (previously Covidien, which acquired ev3 Inc., the original developer of Onyx, in 2010).
Onycha is a play on the word onyx which was a gem. The onyx most esteemed by the ancients was the black gem. [30] The Hebrew word for onyx was shoham and “Braun traces shoham to the Arabic sachma,'blackness:' 'Of such a color,' says he, 'are the Arabian [onyxes], which have a black ground-color.'
OnyX is a popular [2] ... The program will not work correctly if used with an OS for which it was not designed. Mac OS X 10.2 Jaguar: OnyX version 1.3.1;
Alabaster is a mineral and a soft rock used for carvings and as a source of plaster powder. ... Algerian onyx-marble has been quarried largely in the province of Oran.
While traditional cameos were commonly crafted from onyx and agate, artisans have explored diverse materials over time. Rare examples include ancient cameos cut from precious stones like emeralds, lapis lazuli, and even unusual mediums such as ostrich eggshells, which produce a striking two-tone effect.
Onyx is an opaque and banded stone, while smaragdos is translucent, and beryl is cloudy, and all these come in several colors. Onyx was apparently mined from the pre-exilic era, making it a viable candidate for šoham. [48] "Onyx" is derived from the Greek for fingernail due to the pink-white veining.
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Onyx is a variety of quartz analogous to agate and other crypto-crystalline species. It is composed of different layers of variously coloured carnelian much like banded agate in structure, but the layers are in even or parallel planes. This makes it well adapted for the cutting of cameos and was much used by the ancients for that purpose.