Quantcast

Latest Superhard materials Stories

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.

2014-11-21 23:06:46

The Liquidation Channel announces its first ever Ruby Smackdown. AUSTIN, Texas (PRWEB) November 21, 2014 With the holiday season just around the corner,

Si24
2014-11-18 03:00:03

Silicon is the second most-abundant element in the earth's crust. When purified, it takes on a diamond structure, which is essential to modern electronic devices—carbon is to biology as silicon is to technology.

2014-11-10 20:22:28

LONDON, Nov.

2014-10-31 23:07:12

ItsHot.com, a renowned manufacturer, wholesaler, and retailer of diamond jewelry in NY, is now offering 60-70% off on its collection of diamond wedding bands, along with a whopping 69% discount

2014-10-25 23:02:35

Unicast, Inc, a globally recognized designer and distributor of cast wear parts for the cement, mining, and aggregates industries, is pleased to announce the appointment of Maya Siriwardana as


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...

More Articles (1 articles) »
Word of the Day
saggar
  • A ceramic container used inside a fuel-fired kiln to protect pots from the flame.
The word 'saggar' may come from 'safeguard'.
Related