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Evening Forum: Colored Diamonds

Author: Ninomiya House, Issue: January 2002, Topic: Evening Forum

Ninomiya House Evening Forum on Jan. 18

This month, Dr. Hisao Kanda of NIMS will be making a presentation in English on colored diamonds. Diamonds are normally colorless, but colored ones are not unusual. We can find yellow, green, blue, brown and pink ones that are very beautiful. These tints are caused by impurities within the diamond crystal. Research on these impurities is, therefore, important to learn how to control the colors in manufacturing artificial diamonds. Such research also contributes to the electronics as well as the gem industries, because semi-conducting diamonds can be made by including doping impurities. The methods used in making colored diamonds will be presented in this forum.

The session begins at 6 pm and goes until around 8, and is to be held in the 9th floor salon. There is a 500 charge to cover the drinks that are served. Pre-registration is required. Phone Nishikaw or Hirosawa at the Ninomiya House office, 58-7006 or email at ninomiya[at]mail1.accsnet.ne.jp. The web page is: http://www.jistec.or.jp/house/news/eveningforum.html

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