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Diamond Adventures in India
by Garry Holloway | Published  3/04/2005 | Travel Logs
A Day at Lexus


Shown above is some experimentation with the new Rapid Ideal-Scope capture set up, some of the Lexus team, the lower ground factory floor, and Janak at work at his desk. The office is very slick and he insists we use the lift; after all that is why they have it for just 3 floors!

On an average day Janak gets many clients asking for specialist help and assistance. Since he is a formally trained engineer (in Germany) and well experienced now in the diamond industry, he is often called upon to solve problems. These two guys had bought the 4 sawn pieces of two rough diamonds for a consultation. 3 of the pieces had developed large inclusions after sawing and they were trying to find out why. Janak showed them a polariscope – a standard gem instrument for checking if there is stress in diamonds. There was no stress in the 3 that had developed inclusions after sawing – but the one that had not did have the tell tale 'tatami patterns'. Janak explained that the inclusions that appeared were the result of a release of the stress – and that is why the ½ with no new inclusions still had its stress color patterns showing up. The answer is to laser saw (burn) so there is no mechanical stress, or cleave (break) the stressed stones parallel to the plane (octahedral) that contains the stress.

 

Article Series
This article is part 2 of a 3 part series. Other articles in this series are shown below:
  1. The Palace on Wheels - The adventure
  2. Diamond Adventures in India
  3. USA Adventures June 2005
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