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In 2006, Black Diamond Equipment Asia was established in Zhuhai, China to serve as both a secondary manufacturing facility, as well as a global distribution hub. In May 2010, Black Diamond Equipment was acquired for $90 million by Clarus Corporation. The resulting corporation was renamed and is now publicly traded on the NASDAQ under the name CLAR.
Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite , and amorphous carbon , with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [ 1 ]
Several machine collets (top and centre) and a dismantled pin chuck (below). Generally, a collet chuck, [3] considered as a unit, consists of a tapered receiving sleeve (sometimes integral with the machine spindle), the collet proper (usually made of spring steel) which is inserted into the receiving sleeve, and (often) a cap that screws over the collet, clamping it via another taper.
The Animal Project NYC is being challenged with a near-impossible task this week, attempting to find homes for more than a dozen cats by Thursday, Jan. 23. A Bronx woman had been hoarding the cats ...
The Senate passed a Republican bill promoting President Donald Trump's immigration, energy and defense policies in the early hours of Friday.
The All-Clad Factory Seconds Sale just started: Get up to 73% off All-Clad cookware. AOL. The Wonder Oven is $20 off for Presidents' Day. AOL. We tested The Pink Stuff, a must-have for cleaning ...
The Korloff Noir is one of the world's largest known black diamonds. It is an 88-carat diamond, with 57 edges. Before it was cut and polished, it had 421 carats. It is named for the Korloff -Sapojnikoff family, members of the Russian nobility, who once owned it. In 1978, Daniel Paillasseur, a French jeweller, purchased it. [1]
This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.