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Latest Superhard materials Stories

2015-02-04 23:12:12

The Liquidation Channel announces the return of the Ruby Smackdown. AUSTIN, Texas (PRWEB) February 04, 2015 Valentine’s Day is just around the corner,

2015-02-03 23:08:13

Now offering single-ply, single-side and two-sided message IRCs for flexo and digital presses. GRAHAM, NC (PRWEB) February 03, 2015

2015-02-03 23:00:30

ItsHot.com, a renowned manufacturer, wholesaler, and retailer of diamond jewelry in NY, has recently announced a whopping 70-80% off on its array of diamond eternity bands, along with an attractive

2015-01-30 12:22:43

Dynamic discussion, hosted by IIa Technologies, aims to bring grown diamond industry to greater heights SINGAPORE, Jan.

2015-01-27 12:24:28

LONDON, Jan.

2014-12-12 16:22:49

Gemological Institute of America: Impressive Size, Shine, Brilliance NEW YORK, Dec.

2014-12-10 08:22:50

LONDON, Dec.

2014-12-04 08:36:53

DALLAS, December 4, 2014 /PRNewswire/ -- RnRMarketResearch.com adds "Global and China Graphene Industry Report, 2014-2016", "Market Research Report on Global and Chinese

Diamond grains from the Canyon Diablo meteorite
2014-11-25 04:49:07

Approximately 50 years ago, a large meteorite, named Canyon Diablo after the crater formed by the meteorite's impact in northern Arizona, was found to contain a new form of diamond with a hexagonal structure.


Latest Superhard materials Reference Libraries

28_e16534ea8c7ef40ad332fe9c4acaa1a9
2005-05-26 11:05:25

Corundum is the crystalline form of aluminium oxide and one of the rock-forming minerals. Corundum is naturally clear, but can have different colors when impurities are added. Transparent specimens are used as gems, called ruby if red, while all other colors are called sapphire. The word corundum comes from the Hindi kurand. The oxygen atoms in corundum are arranged in a hexagonal close-packing, with the smaller aluminium atoms occupying 2/3 of the octahedral gaps. The coordination of the...

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Word of the Day
friseur
  • A hairdresser.
The word 'friseur' comes from French friseur, from friser ("to curl, frizz").
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