onyx


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onyx

(ŏn`ĭks), variety of cryptocrystalline quartzquartz,
one of the commonest of all rock-forming minerals and one of the most important constituents of the earth's crust. Chemically, it is silicon dioxide, SiO2.
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, differing from agateagate
, translucent, cryptocrystalline variety of quartz and a subvariety of chalcedony. Agates are identical in chemical structure to jasper, flint, chert, petrified wood, and tiger's-eye, and are often found in association with opal.
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 only in that the bands of which it is composed are parallel and regular. Its appearance is most striking when the bands are of sharply contrasting colors; black and white specimens are often used for cameos. Onyx was used in Roman times for the fabrications of vases and cups. Sardonyx contains onyx and carnelian or sard. "Onyx marble," "Mexican onyx," and "Oriental alabaster" are terms applied to travertinetravertine
, form of massive calcium carbonate, CaCO3, resulting from deposition by springs or rivers. It is often beautifully colored and banded as a result of the presence of iron compounds or other (e.g., organic) impurities.
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Onyx

 

a mineral; a variety of agate with alternating black and white bands. Onyx is used as ornamental material or as a gem-stone. Cameos are carved from onyx, with the dark bands serving as the background and the light-colored bands used for the images.

onyx

[′än·iks]
(mineralogy)
Banded chalcedonic quartz, in which the bands are straight and parallel; natural colors are usually red or brown with white, although black is occasionally encountered.

onyx

A banded, varicolored form of quartz, closely related to agate; cut into slabs, polished, and used for decorative building stone.

onyx

provokes disagreement and separates lovers. [Gem. Symbolism: Kunz, 98–99]
See: Discord

onyx

1. a variety of chalcedony with alternating black and white parallel bands, used as a gemstone. Formula: SiO2
2. a compact variety of calcite used as an ornamental stone; onyx marble. Formula: CaCO3

Onyx

A family of graphics supercomputers from SGI that use the MIPS R10000 CPU and range from single-processor workstations to rack-mounted systems with 128 CPUs. They use SGI's InfiniteReality graphics subsystem which processes geometry, imaging and video data in real time.
References in periodicals archive ?
Prior to joining Onyx as general manager, Strom served as vice president of sales for Avamar Technologies, where he helped drive 300 percent revenue growth for the data protection software company.
Onyx's directors and executive officers may be deemed to be participants in the solicitation of proxies from the shareholders of Onyx in connection with the transaction.
On July 17, 2006, Onyx announced surprisingly poor preliminary financial results for Q2 2006, including license revenues of only $1.
The Onyx board also determined that, in light of the $5.
Furthermore, the long-term value of the CDC stock portion of the consideration stated in the press release is highly uncertain because CDC lacks a sustained history of profitable operations and has a poor track record of delivering shareholder value and there would be limited synergies between the Onyx and CDC product lines;
Musser added, "As an Onyx shareholder, we were disappointed to see the unusually high break-fees and expense obligations in their current M2M agreement.
Upon closing of the transaction, Onyx would operate as a separate business unit of Made2Manage Systems, whose unique operating model and focused business unit structure will be dedicated to serving the Onyx customer community through the continued sales, support and enhancement of the world-class Onyx product line.
Onyx solutions are ideal for enterprise-class companies, like Konica Minolta, which need to solve thorny customer process problems on a worldwide basis," said Janice Anderson, Onyx chief executive officer.
Over the past year, Onyx has quietly become a leader in delivering customer-focused process management capabilities," said Todd Chambers, Onyx chief marketing officer.
This press release contains forward-looking statements, including statements about the services to be provided to Onyx by Piper Jaffray & Co.
Under the terms of CDC Software's new proposal to Onyx, each Onyx shareholder would have a choice to receive, for each Onyx share, consideration consisting of either (a) all-cash or (b) cash-and-shares in CDC Corporation.
The Onyx Board of Directors will evaluate the proposal in light of what it believes to be in the best interests of Onyx shareholders.