Diamonds in double quick time

Researchers at the Carnegie Institution’s Geophysical Laboratory have
learned to produce 10-carat, half-inch thick single-crystal diamonds at
rapid growth rates (100 micrometers per hour) using a chemical vapor
deposition (CVD) process. This size is approximately five times that of
commercially available diamonds produced by the standard
high-pressure/high-temperature (HPHT) method and other CVD techniques.
In addition, the team has made colorless single-crystal diamonds,
transparent from the ultraviolet to infrared wavelengths with their
process. more

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